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  <url>
    <loc>https://preiser.com/products/dispenser-foil-3-in</loc>
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      <image:title>Dispenser, Foil, 3 in.</image:title>
      <image:caption>Dispenser, Foil, 3 in.</image:caption>
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    <loc>https://preiser.com/products/aluminum-foil-12-in-wide-0-0007-in-thick-roll-of-25-ft-for-general-laboratory-purposes-capping-bottles-flasks-test-tubes-making-disposable-weighing-dishes-covering-work-surfaces-etc</loc>
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      <image:title>Aluminum Foil, 12 in. Wide, 0.0007 in. thick, roll of 25 ft., For General Laboratory Purposes: Capping Bottles, Flasks, Test Tubes, Making Disposable Weighing Dishes, Covering Work Surfaces, etc.</image:title>
      <image:caption>Aluminum Foil, 12 in. Wide, 0.0007 in. thick, roll of 25 ft., For General Laboratory Purposes: Capping Bottles, Flasks, Test Tubes, Making Disposable Weighing Dishes, Covering Work Surfaces, etc.</image:caption>
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  <url>
    <loc>https://preiser.com/products/ampule-5-ml-clear-pre-scored-144-cs-wheaton-176779</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
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      <image:title>Wheaton Ampule, 5 mL, Clear, Pre-Scored, 144/CS, DWK, 176779</image:title>
      <image:caption>Wheaton Ampule, 5 mL, Clear, Pre-Scored, 144/CS, DWK, 176779</image:caption>
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  <url>
    <loc>https://preiser.com/products/applicator-foam-tipped-non-sterile-wood-stick-6-in-package-of-50</loc>
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      <image:title>Applicator, Foam Tipped, Non-Sterile, Wood Stick, 6 in., 50/PK,149603G</image:title>
      <image:caption>Applicator, Foam Tipped, Non-Sterile, Wood Stick, 6 in., 50/PK,149603G</image:caption>
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  <url>
    <loc>https://preiser.com/products/cleanfoam-large-rectanglar-head-foam-swab-itw-texwipe-tx712a</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
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      <image:title>CleanFoam Large Rectanglar Head Foam Swab, ITW Texwipe, TX712A</image:title>
      <image:caption>CleanFoam Large Rectanglar Head Foam Swab, ITW Texwipe, TX712A</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/applicators-cotton-tipped-non-sterile-wood-stick-3-in-long-0-083-in-thick-hardwood-stick</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Applicators, Cotton Tipped, Non-Sterile, Wood Stick, 3 in. Long, 0.083 in. Thick Hardwood Stick, Puritan, 803-WC</image:title>
      <image:caption>Applicators, Cotton Tipped, Non-Sterile, Wood Stick, 3 in. Long, 0.083 in. Thick Hardwood Stick, Puritan, 803-WC</image:caption>
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  <url>
    <loc>https://preiser.com/products/applicators-cotton-tipped-non-sterile-wood-stick-6-in-long-0-083-in-thick-hardwood-stick-puritan-806wc-hospital</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Applicators, Cotton Tipped, Non-Sterile, Wood Handle, 6 in. Long, 0.188 in. Tip Diameter, Puritan, 806WC-HOSPITAL</image:title>
      <image:caption>Applicators, Cotton Tipped, Non-Sterile, Wood Handle, 6 in. Long, 0.188 in. Tip Diameter, Puritan, 806WC-HOSPITAL</image:caption>
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  <url>
    <loc>https://preiser.com/products/applicator-cotton-tipped-non-sterile-wood-stick-6-in-no-glue-used-on-applicator</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1260-28_9c5f916d-d60c-4ad3-b307-45f86431948c.png?v=1784696194</image:loc>
      <image:title>Applicator, Cotton Tipped, Non-Sterile, Wood Stick, 6 in., No Glue Used on Applicator, Puritan, 867-WC</image:title>
      <image:caption>Applicator, Cotton Tipped, Non-Sterile, Wood Stick, 6 in., No Glue Used on Applicator, Puritan, 867-WC</image:caption>
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  <url>
    <loc>https://preiser.com/products/applicators-cotton-tipped-sterile-6-in-long</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1265-02_7a20dc8a-b967-4eab-b622-dc1150cf4cc1.png?v=1784696197</image:loc>
      <image:title>Applicators, Cotton Tipped, Sterile, 6 in. Long, Puritan, 25-806-2WC-HOSPITAL</image:title>
      <image:caption>Applicators, Cotton Tipped, Sterile, 6 in. Long, Puritan, 25-806-2WC-HOSPITAL</image:caption>
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  <url>
    <loc>https://preiser.com/products/odo-clave-autoclave-deodorizer-pine-scent-100-pk-bel-art-products-h13198-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Odo-Clave Autoclave Deodorizer, Pine Scent, 100/PK, Bel Art Products, H13198-0002</image:title>
      <image:caption>Odo-Clave Autoclave Deodorizer, Pine Scent, 100/PK, Bel Art Products, H13198-0002</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/apron-clear-vinyl-27-x-36-in-4-mil-bel-art-products-h24603-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Apron, Clear Vinyl, 27 x 36 in., 4 mil, Bel Art Products, H24603-0001</image:title>
      <image:caption>Apron, Clear Vinyl, 27 x 36 in., 4 mil, Bel Art Products, H24603-0001</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/tyvek-sleeves-18-in-45-7-cm-length-100-pairs-cs-mtl-850-18</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1345-01.png?v=1784696202</image:loc>
      <image:title>Tyvek Sleeves, 18 in. (45.7 cm) Length, 100 Pairs/CS, MTL-850-18</image:title>
      <image:caption>Tyvek Sleeves, 18 in. (45.7 cm) Length, 100 Pairs/CS, MTL-850-18</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/labcoat-polypropylene-disposable-large-25-cs-kcc10029-white</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1401-97_0a89901e-576e-4b78-b0f9-506d04965bca.png?v=1784696204</image:loc>
      <image:title>Kleenguard Labcoat, Polypropylene, Disposable Large, 25/CS, White, 10029</image:title>
      <image:caption>Kleenguard Labcoat, Polypropylene, Disposable Large, 25/CS, White, 10029</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/coveralls-tyvex-2x-25-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-01_d885001b-33d7-42af-b335-d4481e17759f.png?v=1784696205</image:loc>
      <image:title>Coveralls, TYVEX, 2X, 25/CS, DuPont, TY127SWH2X00</image:title>
      <image:caption>Coveralls, TYVEX, 2X, 25/CS, DuPont, TY127SWH2X00</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/coverall-tyvek-size-3x-25-cs-hood-elastic-wrist-ankles</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-02_3241add6-2113-4602-97f1-f42a74ab30d9.png?v=1784696206</image:loc>
      <image:title>Coverall, TYVEK. Size 3X, 25/CS, Hood, Elastic Wrist/Ankles, DuPont, TY127SWH3X00</image:title>
      <image:caption>Coverall, TYVEK. Size 3X, 25/CS, Hood, Elastic Wrist/Ankles, DuPont, TY127SWH3X00</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/coveralls-tyvex-medium-25-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-95_053ce4b1-226e-4492-9346-3296fdb78d03.png?v=1784696208</image:loc>
      <image:title>Coveralls, TYVEX, Medium, 25/CS, Hood, Elastic Wrist/Ankles, DuPont, TY127SWHMD00</image:title>
      <image:caption>Coveralls, TYVEX, Medium, 25/CS, Hood, Elastic Wrist/Ankles, DuPont, TY127SWHMD00</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/coveralls-tyvek-l-25-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-97_bb84642f-d32e-46ba-bc28-e85b5952920b.png?v=1784696209</image:loc>
      <image:title>Coveralls, TYVEK, L, 25/CS, Hood, Elastic Wrists/Ankles, DuPont, TY127SWHLG00</image:title>
      <image:caption>Coveralls, TYVEK, L, 25/CS, Hood, Elastic Wrists/Ankles, DuPont, TY127SWHLG00</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whirl-pak-standard-bag-with-so-d-ium-thiosulfate-100-ml-2-25-mil-3-in-x-7-1-4-in-write-on-nasco-b01040wa</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1680-01.png?v=1784696212</image:loc>
      <image:title>Thio-Bag, Standard Bag, with Sodium Thiosulfate Tablet, 100 mL, 2.25 mil, 3 in. x 7-1/4 in., Write-On, 100/PK or 10 PKs/CS, Whirl-Pak, B01040WA</image:title>
      <image:caption>Thio-Bag, Standard Bag, with Sodium Thiosulfate Tablet, 100 mL, 2.25 mil, 3 in. x 7-1/4 in., Write-On, 100/PK or 10 PKs/CS, Whirl-Pak, B01040WA</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-300-ml-thio-bag-100-pk-nasco-international-b01254wa</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Thio-Bag, 300 mL Standard, 100/PK, Whirl-Pak, B01254</image:title>
      <image:caption>Thio-Bag, 300 mL Standard, 100/PK, Whirl-Pak, B01254</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-write-on-whirl-pak-24-oz-710-ml-6-in-w-x-9-in-l-15-x-23-cm-4-0-mil-0-102-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1681-02_c4680b7e-ec2d-4309-afd1-ed157537aa70.png?v=1784696214</image:loc>
      <image:title>Sample Bag, Write-On, Sterile, 24 oz. (710 mL), 6 in. W x 9 in. L (15 x 23 cm), 4.0 mil (0.102 mm), 500/PK, Whirl-Pak, B01196</image:title>
      <image:caption>Sample Bag, Write-On, Sterile, 24 oz. (710 mL), 6 in. W x 9 in. L (15 x 23 cm), 4.0 mil (0.102 mm), 500/PK, Whirl-Pak, B01196</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whirl-pak-speci-sponge-bag-4-1-2-in-x-9-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1682-01.png?v=1784696216</image:loc>
      <image:title>Speci-Sponge Bag, Cellulose, Dry, 4-1/2 in. x 9 in., 100/PK, Whirl-Pak, B01245</image:title>
      <image:caption>Speci-Sponge Bag, Cellulose, Dry, 4-1/2 in. x 9 in., 100/PK, Whirl-Pak, B01245</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whirl-pak-write-on-bags-sterile-2-oz-58-ml-nasco-b01064wa</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1694-02.png?v=1784696219</image:loc>
      <image:title>Write-On Bags, Sterile, 2 oz. (58 ml), 500/PK or 20 PKs/CS, Whirl-Pak, B01064</image:title>
      <image:caption>Write-On Bags, Sterile, 2 oz. (58 ml), 500/PK or 20 PKs/CS, Whirl-Pak, B01064</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whirl-pak-standard-bag-polyethylene-leakproof-24-oz-4-mil-thickness-6-in-x-9-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1695-08_78263ade-ce38-4bd4-b97d-fc4f925cb1dc.png?v=1784696220</image:loc>
      <image:title>Standard Bag, Polyethylene, Leakproof, 24 oz., 3 mil Thickness, 6 in. x 9 in, 500/PK or 6 PKs/CS, Whirl-Pak, B01020</image:title>
      <image:caption>Standard Bag, Polyethylene, Leakproof, 24 oz., 3 mil Thickness, 6 in. x 9 in, 500/PK or 6 PKs/CS, Whirl-Pak, B01020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/autoclavable-polypropylene-bag-0-002-in-thick-8-in-x-15-in-bel-art-products-h13182-0815</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-38_67efe579-8fea-4dc5-99a8-6f499f8fb04b.png?v=1784696221</image:loc>
      <image:title>Autoclavable Polypropylene Bag, 0.002 in. thick.  8 in. x 15 in., Bel Art Products, H13182-0815</image:title>
      <image:caption>Autoclavable Polypropylene Bag, 0.002 in. thick.  8 in. x 15 in., Bel Art Products, H13182-0815</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/autoclavable-polypropylene-bag-0-002-in-thick-10-in-x-15-in-bel-art-products-h13182-1015</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-50_4f44ae30-7804-43bd-acb7-bde3c58aae95.png?v=1784696223</image:loc>
      <image:title>Autoclavable Polypropylene Bag, 0.002 in. thick, 10 in. x 15 in., Bel-Art, H13182-1015</image:title>
      <image:caption>Autoclavable Polypropylene Bag, 0.002 in. thick, 10 in. x 15 in., Bel-Art, H13182-1015</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/autoclavable-polypropylene-bag-0-002-in-thick-12-in-x-24-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-70_cd487cd5-0817-49cf-85ce-b89765a17a4e.png?v=1784696224</image:loc>
      <image:title>Autoclavable Polypropylene Bag, 0.002 in. thick, 12 in. x 24 in., Bel-Art, H13185-1224</image:title>
      <image:caption>Autoclavable Polypropylene Bag, 0.002 in. thick, 12 in. x 24 in., Bel-Art, H13185-1224</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-autoclavable-24-in-x-30-in-100-pk-bel-art-products-h13185-2430</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-96_025693cc-b05c-4c9e-9e42-4a5799d94229.png?v=1784696226</image:loc>
      <image:title>Bag, Autoclavable, 24 in. x 30 in., 100/PK; Bel Art Products, H13185-2430</image:title>
      <image:caption>Bag, Autoclavable, 24 in. x 30 in., 100/PK; Bel Art Products, H13185-2430</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-autoclavable-24-in-x-36-in-100-pk-bel-art-products-h13185-2436</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-98.png?v=1784696227</image:loc>
      <image:title>Bag, Autoclavable, 24 in. x 36 in., 100/PK; Bel-Art, H13185-2436</image:title>
      <image:caption>Bag, Autoclavable, 24 in. x 36 in., 100/PK; Bel-Art, H13185-2436</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/6-in-x-9-in-zipper-bag-without-hang-hole-2-mil-1000-pk-associated-bag-company-270-110</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1698-18_53458457-b993-4e2b-a8af-7dadacdbc648.png?v=1784696228</image:loc>
      <image:title>6 in. x 9 in. Zipper Bag without Hang Hole (2 mil), 1000/PK, Associated Bag Company, 270-110</image:title>
      <image:caption>6 in. x 9 in. Zipper Bag without Hang Hole (2 mil), 1000/PK, Associated Bag Company, 270-110</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-minigrip-9-x-12-in-1000-pk-2-mil</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1698-21_27fed7f5-4193-4862-82fd-213c0bf49ac5.png?v=1784696230</image:loc>
      <image:title>Bag, Minigrip, 9 x 12 in. 1000/PK, 2 mil, Aabaco Plastics, 9X12</image:title>
      <image:caption>Bag, Minigrip, 9 x 12 in. 1000/PK, 2 mil, Aabaco Plastics, 9X12</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleanware-polyethylene-autoclavable-self-adhesive-waste-bag-8-x-10-in-50-pk-bel-art-f13174-1008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1699-01.png?v=1784696231</image:loc>
      <image:title>Cleanware Polyethylene, Autoclavable, Self-Adhesive Waste Bag, 8 x 10 in. 50/PK, Bel-Art, F13174-1008</image:title>
      <image:caption>Cleanware Polyethylene, Autoclavable, Self-Adhesive Waste Bag, 8 x 10 in. 50/PK, Bel-Art, F13174-1008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-polyethylene-autoclavable-with-indicator-patch-24-x-36-in-10-to-12-gal-capacity-100-pk-bel-art-products-f13161-0009</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1708-04_0b0f7e91-7abe-4a30-a71e-7baf3dea10d0.png?v=1784696233</image:loc>
      <image:title>Bag, Polyethylene, Autoclavable, with Indicator Patch, 24 x 30 in., 10 to 12 gal Capacity, 100/PK, Bel-Art, F13161-0009</image:title>
      <image:caption>Bag, Polyethylene, Autoclavable, with Indicator Patch, 24 x 30 in., 10 to 12 gal Capacity, 100/PK, Bel-Art, F13161-0009</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-polyethylene-autoclavable-with-indicator-patch-24-x-36-in-15-to-20-gal-capacity-100-pk-bel-art-products-f13162-0009</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1708-06_f454657a-67a3-4962-9d5e-f66432644271.png?v=1784696234</image:loc>
      <image:title>Bag, Polyethylene, Autoclavable, with Indicator Patch, 24 x 36 in., 15 to 20 gal Capacity, 100/PK, Bel-Art, F13162-0009</image:title>
      <image:caption>Bag, Polyethylene, Autoclavable, with Indicator Patch, 24 x 36 in., 15 to 20 gal Capacity, 100/PK, Bel-Art, F13162-0009</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/poxygrid-bag-holder-for-12-x-24-in-bags-bel-art-products-h13187-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1709-02.png?v=1784696235</image:loc>
      <image:title>Poxygrid Bag Holder for 12 x 24 in. Bags, Bel-Art, H13187-0000</image:title>
      <image:caption>Poxygrid Bag Holder for 12 x 24 in. Bags, Bel-Art, H13187-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/poxygrid-bag-holder-for-24-x-36-in-bags-bel-art-products-h13189-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1709-06.png?v=1784696237</image:loc>
      <image:title>Poxygrid Bag Holder for 24 x 36 in. Bags, Bel-Art, H13189-0000</image:title>
      <image:caption>Poxygrid Bag Holder for 24 x 36 in. Bags, Bel-Art, H13189-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/odo-clave-triple-strength-autoclave-deodorizer-clove-scent-100-pk-bel-art-products-h13198-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-01_e2a6ad95-4b25-4004-912c-4820d9a1e33d.png?v=1784696239</image:loc>
      <image:title>Odo-Clave Triple Strength Autoclave Deodorizer, Clove Scent, 100/PK, Bel-Art, H13198-0000</image:title>
      <image:caption>Odo-Clave Triple Strength Autoclave Deodorizer, Clove Scent, 100/PK, Bel-Art, H13198-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/odo-clave-autoclave-deodorizer-cherry-scent-100-pk-bel-art-products-h13198-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-02.png?v=1784696241</image:loc>
      <image:title>Odo-Clave Autoclave Deodorizer, Cherry Scent, 100/PK, Bel-Art, H13198-0001</image:title>
      <image:caption>Odo-Clave Autoclave Deodorizer, Cherry Scent, 100/PK, Bel-Art, H13198-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/odo-clave-autoclave-deodorizer-lemon-scent-100-pk-bel-art-products-h13198-0003</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-04_34bdda34-3af1-4534-be17-f38069ffe372.png?v=1784696243</image:loc>
      <image:title>Odo-Clave Autoclave Deodorizer, Lemon Scent, 100/PK, Bel-Art, H13198-0003</image:title>
      <image:caption>Odo-Clave Autoclave Deodorizer, Lemon Scent, 100/PK, Bel-Art, H13198-0003</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-polyethylene-red-for-pipets-and-other-biohazard-items-8-5-in-x-11-in-bel-art-products-f13166-0000-shown-with-bag-holder</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1712-01_5f68b3e4-abfe-4a60-be63-3e5353c22231.png?v=1784696244</image:loc>
      <image:title>Bag, Polyethylene, Red, for Pipets and Other Biohazard Items, 8.5 in. x 11 in., Bel-Art, F13166-0000</image:title>
      <image:caption>Bag, Polyethylene, Red, for Pipets and Other Biohazard Items, 8.5 in. x 11 in., Bel-Art, F13166-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-biohazard-autoclavable-with-indicator-orange-2-mil-8-in-x-12-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1712-02_8ea419bd-ed21-43b5-87b9-cb9cfcd27a37.png?v=1784696245</image:loc>
      <image:title>Bag, Biohazard, Autoclavable, with Indicator, Orange, 2 mil, 8 in. x 12 in., 400/CS, 14220-046</image:title>
      <image:caption>Bag, Biohazard, Autoclavable, with Indicator, Orange, 2 mil, 8 in. x 12 in., 400/CS, 14220-046</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bag-holder-made-of-welded-steel-with-oblong-opening-for-holding-bags-bel-art-products-h13193-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1713-01_f62e8641-488e-47ce-a3ae-65c888129204.png?v=1784696247</image:loc>
      <image:title>Bag Holder, Made of Welded Steel, with Oblong Opening for Holding Bags, Bel-Art, H13193-1000</image:title>
      <image:caption>Bag Holder, Made of Welded Steel, with Oblong Opening for Holding Bags, Bel-Art, H13193-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/spring-mechanical-scales-500-g-x-20-g-perfect-for-general-weighing-force-experiments-action-reaction-demonstrations-and-much-more</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1745-81_1e78dab7-3d3b-43dd-a7e2-fcfacc3a4a05.png?v=1784696248</image:loc>
      <image:title>Spring Mechanical Scales, 500 g x 20 g, Dual Scale, Model 8002-MA, Perfect for General Weighing, Force Experiments, Action-Reaction Demonstrations and Much More, Ohaus, 8000</image:title>
      <image:caption>Spring Mechanical Scales, 500 g x 20 g, Dual Scale, Model 8002-MA, Perfect for General Weighing, Force Experiments, Action-Reaction Demonstrations and Much More, Ohaus, 8000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/spring-mechanical-scales-2000-g-x-50-g-perfect-for-general-weighing-force-experiments-action-reaction-demonstrations-and-much-more</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1745-88_4a623913-6813-4e1d-a5cb-55776fa4fcca.png?v=1784696249</image:loc>
      <image:title>Spring Mechanical Scales, 2000 g x 50 g, Perfect for General Weighing, Force Experiments, Action-Reaction Demonstrations and Much More, Ohaus, 80000044</image:title>
      <image:caption>Spring Mechanical Scales, 2000 g x 50 g, Perfect for General Weighing, Force Experiments, Action-Reaction Demonstrations and Much More, Ohaus, 80000044</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pour-boat-weighing-dish-disposable-polystyrene-anti-static-1-3-4-in-x-2-1-4-in-x-5-16-in-250-pk-eagle-thermoplastic-pb-316</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-01_673081f3-603c-4cf1-909c-ecae1bd7fa26.png?v=1784696251</image:loc>
      <image:title>Pour Boat Weighing Dish, Disposable, Polystyrene, Anti-Static, 1-3/4 in. x 2-1/4 in. x 5/16 in., 250/PK or 8 PKs/CS, Eagle Thermoplastics Inc, PB-316</image:title>
      <image:caption>Pour Boat Weighing Dish, Disposable, Polystyrene, Anti-Static, 1-3/4 in. x 2-1/4 in. x 5/16 in., 250/PK or 8 PKs/CS, Eagle Thermoplastics Inc, PB-316</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pour-boat-weighing-dish-disposable-polystyrene-anti-static-3-1-2-in-x-5-1-4-in-x-1-in-250-cs-eagle-thermoplastics-pb-315</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-02_659bf761-7e94-447d-a740-99e88483e1a3.png?v=1784696252</image:loc>
      <image:title>Pour Boat Weighing Dish, Disposable, Polystyrene, Anti-Static, 3-1/2 in. x 5-1/4 in. x 1 in., 250/CS, Eagle Thermoplastics, PB-315</image:title>
      <image:caption>Pour Boat Weighing Dish, Disposable, Polystyrene, Anti-Static, 3-1/2 in. x 5-1/4 in. x 1 in., 250/CS, Eagle Thermoplastics, PB-315</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pour-boat-polystrene-4-3-4-in-x-7-1-4-in-x-1-in-anti-static-250-cs-eagle-thermoplastic-inc-pb-317</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-03.png?v=1784696254</image:loc>
      <image:title>Pour Boat Weighing Dish,  Polystrene, 4-3/4 in. x 7-1/4 in. x 1 in., Anti-Static, 250/CS, Eagle Thermoplastic Inc. PB-317</image:title>
      <image:caption>Pour Boat Weighing Dish,  Polystrene, 4-3/4 in. x 7-1/4 in. x 1 in., Anti-Static, 250/CS, Eagle Thermoplastic Inc. PB-317</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexagonal-polystrene-weighting-dishes-anti-static-1-3-4-in-od-x-3-8-in-depth-20-ml-capacity-500-pk-eagle-thermoplastics-hwb-175</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-01.png?v=1784696255</image:loc>
      <image:title>Hexagonal Polystrene Weighting Dishes, Anti-static, 1-3/4 in. OD x 3/8 in Depth, 20 mL Capacity, 500/PK or 8 PKs/CS, Eagle Thermoplastics Inc, HWB-175</image:title>
      <image:caption>Hexagonal Polystrene Weighting Dishes, Anti-static, 1-3/4 in. OD x 3/8 in Depth, 20 mL Capacity, 500/PK or 8 PKs/CS, Eagle Thermoplastics Inc, HWB-175</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexagonal-weighing-dish-disposable-polystyrene-anti-static-3-in-x-3-4-in-eagle-thermoplastics-hwb-300</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-03.png?v=1784696257</image:loc>
      <image:title>Hexagonal Weighing Dish, Disposable, Polystyrene, Anti-Static, 3 in. x 3/4 in., Eagle Thermoplastics Inc, HWB-300</image:title>
      <image:caption>Hexagonal Weighing Dish, Disposable, Polystyrene, Anti-Static, 3 in. x 3/4 in., Eagle Thermoplastics Inc, HWB-300</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexagonal-polystrene-weighing-dishes-large-200-ml-capacity-500-cs-eagle-thermoplastics-hwb-475</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-05_6e002576-33ae-4211-a32f-0dd4f74e8c9c.png?v=1784696258</image:loc>
      <image:title>Hexagonal Polystrene Weighing Dishes, Large, 200 mL Capacity, 500/CS, Eagle Thermoplastics Inc, HWB-475</image:title>
      <image:caption>Hexagonal Polystrene Weighing Dishes, Large, 200 mL Capacity, 500/CS, Eagle Thermoplastics Inc, HWB-475</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexagonal-polystrene-weighing-dishes-xl-350-ml-capacity-500-cs-eagle-thermoplastics-hwb-550</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-07.png?v=1784696259</image:loc>
      <image:title>Hexagonal Polystrene Weighing Dishes, XL, 350 mL Capacity, 500/CS, Eagle Thermoplastics, HWB-550</image:title>
      <image:caption>Hexagonal Polystrene Weighing Dishes, XL, 350 mL Capacity, 500/CS, Eagle Thermoplastics, HWB-550</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-paper-glassine-3-in-x-3-in-500-pk-i-w-tremont-co-inc-w33</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-01_9fda4906-08b9-43cd-9937-c3eb2c394bfa.png?v=1785286858</image:loc>
      <image:title>Weighing Paper, Glassine, 3 in. x 3 in., 500/PK, I W Tremont, W33</image:title>
      <image:caption>Weighing Paper, Glassine, 3 in. x 3 in., 500/PK, I W Tremont, W33</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/balance-weighing-paper-square-4-in-x-4-in-smooth-uniform-texture</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-02.png?v=1784696262</image:loc>
      <image:title>Weighing Paper, Glassine, 4 in. x 4 in., 500/PK, I W Tremont, W44</image:title>
      <image:caption>Weighing Paper, Glassine, 4 in. x 4 in., 500/PK, I W Tremont, W44</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-paper-glassine-6-in-x-6-in-500-pk-i-w-tremont-co-inc-w66</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-03_61c31c9b-491f-4284-a0ce-53b803187820.png?v=1784696263</image:loc>
      <image:title>Weighing Paper, Glassine, 6 in. x 6 in., 500/PK, I W Tremont, W66</image:title>
      <image:caption>Weighing Paper, Glassine, 6 in. x 6 in., 500/PK, I W Tremont, W66</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/balance-desiccator-drierite</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1820-01_3719441b-ce4b-4b0a-b9ce-32f29259a2e8.png?v=1784696264</image:loc>
      <image:title>Mini Dehumidifier for Balance or Other Small Enclosure, W.A. Hammond Drierite, 26910</image:title>
      <image:caption>Mini Dehumidifier for Balance or Other Small Enclosure, W.A. Hammond Drierite, 26910</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bath-water-shallow-form-6dia-with-water-level-regulator</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2625-24.png?v=1784696266</image:loc>
      <image:title>Water Bath, Shallow Form 6DIA, with Water Level Regulator, Legacy Model, Thermo Scientific</image:title>
      <image:caption>Water Bath, Shallow Form 6DIA, with Water Level Regulator, Legacy Model, Thermo Scientific</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hollow-polypropylene-pp-ball-bath-covers-20-mm-500-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2979-04_405b07d6-0f17-4408-ae45-5f33fbb76766.png?v=1784696267</image:loc>
      <image:title>Hollow Polypropylene (PP) Ball Bath Covers, 20 mm, 500/PK, 06821-02</image:title>
      <image:caption>Hollow Polypropylene (PP) Ball Bath Covers, 20 mm, 500/PK, 06821-02</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-beads-solid-soda-lime-6-mm-estimated-1600-pieces-per-1-lb-package</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-24_01dd46b0-954f-4c12-aaad-c0be03c80eba.png?v=1784696269</image:loc>
      <image:title>Glass Beads, Solid, Soda Lime, 6 mm (Estimated 1600 Pieces) 1 lb/PK, Walter Stern, 100G</image:title>
      <image:caption>Glass Beads, Solid, Soda Lime, 6 mm (Estimated 1600 Pieces) 1 lb/PK, Walter Stern, 100G</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-beads-solid-soda-lime-8-mm-estimated-650-pieces-per-1-lb-package</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-26.png?v=1784696270</image:loc>
      <image:title>Glass Beads, Solid, Soda Lime, 8 mm (Estimated 650 Pieces), 1 lb/PK, Walter Stern, 100I</image:title>
      <image:caption>Glass Beads, Solid, Soda Lime, 8 mm (Estimated 650 Pieces), 1 lb/PK, Walter Stern, 100I</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-beads-solid-soda-lime-9-mm-estimated-450-pieces-per-1-lb-package</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-27_a03b83f3-1e15-499d-b310-63f70cc0a2cc.png?v=1784696272</image:loc>
      <image:title>Glass Beads, Solid, Soda Lime, 9 mm (Estimated 450 Pieces), 1 lb/PK, Walter Stern, 100J</image:title>
      <image:caption>Glass Beads, Solid, Soda Lime, 9 mm (Estimated 450 Pieces), 1 lb/PK, Walter Stern, 100J</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beads-solid-1-mm-diameter-soda-lime-glass-chemical-resistant-walter-stern-100a</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2990-12_410c72c1-2da3-43b4-bfb9-f64e51a1104a.png?v=1784696274</image:loc>
      <image:title>Glass Beads, Solid, Soda Lime, 1 mm, (Estimated 125,000 Pieces) 1/lb/PK,  Walter Stern, 100A</image:title>
      <image:caption>Glass Beads, Solid, Soda Lime, 1 mm, (Estimated 125,000 Pieces) 1/lb/PK,  Walter Stern, 100A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-balls-solid-borosilicate-1-lb-pk-walter-stern-102e</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2992-23_01450329-4f9f-425f-802f-beaa96a0b79d.png?v=1784696275</image:loc>
      <image:title>Glass Balls, Solid Borosilicate, 1 lb/PK, Walter Stern, 102E</image:title>
      <image:caption>Glass Balls, Solid Borosilicate, 1 lb/PK, Walter Stern, 102E</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-beads-solid-borosilicate-6-mm-estimated-1800-pieces-per-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2992-24_6d17fb5c-dc65-423a-b057-a11cabbd687f.png?v=1784696276</image:loc>
      <image:title>Glass Beads, Solid, Borosilicate, 6 mm, Estimated 1800 Pieces/lb, 1lb/PK, Walter Stern, 102F</image:title>
      <image:caption>Glass Beads, Solid, Borosilicate, 6 mm, Estimated 1800 Pieces/lb, 1lb/PK, Walter Stern, 102F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beads-solid-borosilicate-glass-5-mm-diameter-dwk-13500-5</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2995-23_12870d07-759f-487f-bc54-22fe80b1df92.png?v=1784696278</image:loc>
      <image:title>Beads, Solid, Borosilicate Glass, 5 mm Diameter, DWK, 13500-5</image:title>
      <image:caption>Beads, Solid, Borosilicate Glass, 5 mm Diameter, DWK, 13500-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/griffin-beaker-600-ml-low-form-graduated-with-spout-14000-600</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3010-82.png?v=1784696279</image:loc>
      <image:title>Griffin Beaker 600 mL Low Form, Graduated. with Spout, 14000-600</image:title>
      <image:caption>Griffin Beaker 600 mL Low Form, Graduated. with Spout, 14000-600</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-2000-ml-14000-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3010-88_e1bd9417-996e-4cec-82be-2f7b07107614.png?v=1784696282</image:loc>
      <image:title>Low-Form Griffin Beaker, 2000 mL, 14000-2000</image:title>
      <image:caption>Low-Form Griffin Beaker, 2000 mL, 14000-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-replacement-beaker-without-handle-3000-ml-corning-1010-bo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3055-01_ee02a66e-0e4c-4e19-983e-d17293590285.png?v=1784696283</image:loc>
      <image:title>PYREX Replacement Beaker without Handle, 3000 mL, Corning, 1010-BO</image:title>
      <image:caption>PYREX Replacement Beaker without Handle, 3000 mL, Corning, 1010-BO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-beaker-1000-ml-tall-form-without-spout-dwk-14020-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3157-86_a1a8b048-c3a0-464d-86d2-5cde53983705.png?v=1784696285</image:loc>
      <image:title>Graduated Beaker 1000 mL Tall Form without Spout, DWK, 14020-1000</image:title>
      <image:caption>Graduated Beaker 1000 mL Tall Form without Spout, DWK, 14020-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-50-ml-polypropylene-10-ml-graduations-bel-art-products-f26210-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-53_ef481d8f-0095-4439-84eb-9d1398146f61.png?v=1784696286</image:loc>
      <image:title>Low-Form Griffin Beaker 50 mL Polypropylene, 10 mL Graduations, Bel Art Products, F26210-0000</image:title>
      <image:caption>Low-Form Griffin Beaker 50 mL Polypropylene, 10 mL Graduations, Bel Art Products, F26210-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-100-ml-polypropylene-25-ml-graduations-bel-art-products-f26211-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-67_3a278cc7-674a-418e-a62b-9f7771f2983d.png?v=1784696288</image:loc>
      <image:title>Low-Form Griffin Beaker 100 mL Polypropylene, 25 mL Graduations, Bel Art Products, F26211-0000</image:title>
      <image:caption>Low-Form Griffin Beaker 100 mL Polypropylene, 25 mL Graduations, Bel Art Products, F26211-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-griffin-polypropylene-graduated-with-pouring-spout-150-ml-bel-art-products-f26212-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-74_f5903bca-f494-4ebb-bf71-f0eb79e74f1d.png?v=1784696289</image:loc>
      <image:title>Beaker, Griffin, Polypropylene, Graduated, with Pouring Spout, 150 mL, Bel Art Products, F26212-0000</image:title>
      <image:caption>Beaker, Griffin, Polypropylene, Graduated, with Pouring Spout, 150 mL, Bel Art Products, F26212-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-250-ml-polypropylene-50-ml-graduations-ea-or-6-pk-bel-art-products-f26213-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-78.png?v=1784696290</image:loc>
      <image:title>Low-Form Griffin Beaker 250 mL Polypropylene, 50 mL Graduations, EA or 6/PK, Bel Art Products, F26213-0000</image:title>
      <image:caption>Low-Form Griffin Beaker 250 mL Polypropylene, 50 mL Graduations, EA or 6/PK, Bel Art Products, F26213-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-400-ml-polypropylene-100-ml-graduations-ea-bel-art-products-f26214-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-80_78b5a8a9-5c4e-4ff5-9268-b17eb8301cb3.png?v=1784696292</image:loc>
      <image:title>Low-Form Griffin Beaker 400 mL Polypropylene, 100 mL Graduations, EA, Bel Art Products, F26214-0000</image:title>
      <image:caption>Low-Form Griffin Beaker 400 mL Polypropylene, 100 mL Graduations, EA, Bel Art Products, F26214-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/low-form-griffin-beaker-1000-ml-polypropylene-200-ml-graduations-3-pk-bel-art-products-f26216-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-86_14ebdd9c-6394-4e78-a786-46639b1f109c.png?v=1784696294</image:loc>
      <image:title>Low-Form Griffin Beaker 1000 mL Polypropylene, 200 mL Graduations 3/PK, Bel Art Products, F26216-0000</image:title>
      <image:caption>Low-Form Griffin Beaker 1000 mL Polypropylene, 200 mL Graduations 3/PK, Bel Art Products, F26216-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-griffin-polypropylene-graduated-2000-ml-dynalon-labware-222075-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-88_8499d97f-1e70-479c-b208-4ce9c5ef2d7a.png?v=1784696295</image:loc>
      <image:title>Beaker, Griffin, Polypropylene, Graduated, 2000 mL, Dynalon Labware, 222075-2000</image:title>
      <image:caption>Beaker, Griffin, Polypropylene, Graduated, 2000 mL, Dynalon Labware, 222075-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-griffin-polypropylene-graduated-5000-ml-dynalab-222075-5000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-92_adbea61e-4fc2-415a-8c2a-5fd76e1c4f98.png?v=1784696297</image:loc>
      <image:title>Beaker, Griffin, Polypropylene, Graduated, 5000 mL, Dynalab, 222075-5000</image:title>
      <image:caption>Beaker, Griffin, Polypropylene, Graduated, 5000 mL, Dynalab, 222075-5000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-low-form-with-handle-polypropylene-500-ml-dynalon-326495-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-81_f99ffb35-743b-47d8-8a5a-36882bd49f85.png?v=1784696298</image:loc>
      <image:title>Beaker, Low Form with Handle, Polypropylene, 500 mL, Dynalon, 326495-0500</image:title>
      <image:caption>Beaker, Low Form with Handle, Polypropylene, 500 mL, Dynalon, 326495-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-low-form-with-handle-polypropylene-1000-ml-dynalon-326495-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-86_3641577a-8ea7-47c2-a58c-a22c10d8457d.png?v=1784696299</image:loc>
      <image:title>Beaker, Low Form with Handle, Polypropylene, 1000 mL, Dynalon, 326495-1000</image:title>
      <image:caption>Beaker, Low Form with Handle, Polypropylene, 1000 mL, Dynalon, 326495-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-low-form-with-handle-polypropylene-2000-ml-dynalon-326495-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-88_b1ebaeb4-30e8-4fc6-9f5f-c5cc72c71639.png?v=1784696301</image:loc>
      <image:title>Beaker, Low Form with Handle, Polypropylene, 2000 mL, Dynalon, 326495-2000</image:title>
      <image:caption>Beaker, Low Form with Handle, Polypropylene, 2000 mL, Dynalon, 326495-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-low-form-with-handle-polypropylene-3000-ml-dynalon-labware-326495-3000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-90.png?v=1784696302</image:loc>
      <image:title>Beaker, Low Form with Handle, Polypropylene, 3000 mL, Dynalon Labware, 326495-3000</image:title>
      <image:caption>Beaker, Low Form with Handle, Polypropylene, 3000 mL, Dynalon Labware, 326495-3000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-with-handle-graduated-polymethylpentene-pmp-1000-ml-1223-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3291-01_ec773584-1fa3-43f9-8a4f-0a9902bb6f04.png?v=1784696303</image:loc>
      <image:title>Nalgene Beaker with Handle Graduated, Polymethylpentene (PMP) 1000 mL, 1223-1000</image:title>
      <image:caption>Nalgene Beaker with Handle Graduated, Polymethylpentene (PMP) 1000 mL, 1223-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-stainless-steel-with-spout-and-handle-graduated-5000-ml-polarware-t1065</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3415-24_b21db0c8-2999-4ce9-b963-8a8e51840e60.png?v=1784696305</image:loc>
      <image:title>Polar Ware Beaker, Stainless Steel with Spout and Handle, Graduated, 5000 mL, Vollrath, T1065</image:title>
      <image:caption>Polar Ware Beaker, Stainless Steel with Spout and Handle, Graduated, 5000 mL, Vollrath, T1065</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-stainless-steel-with-spout-600-ml-80600-griffin-low-form</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3430-82_a5550ef0-603d-4ff9-a54d-8e3c93dc7370.png?v=1784696306</image:loc>
      <image:title>Beaker, Stainless Steel, with Spout, Griffin, Low Form, 600 mL, Vollrath, 80600</image:title>
      <image:caption>Beaker, Stainless Steel, with Spout, Griffin, Low Form, 600 mL, Vollrath, 80600</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-griffin-low-form-perfluoroalkoxy-alkane-pfa-4-cs-600-ml-1510-0600</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3512-82_db3c2bec-c814-4960-81e4-1b18dfbb700f.png?v=1784696308</image:loc>
      <image:title>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 4/CS, 600 mL,1510-0600</image:title>
      <image:caption>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 4/CS, 600 mL,1510-0600</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-griffin-low-form-perfluoroalkoxy-alkane-pfa-1000-ml-1510-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3512-86_d25a88bc-c97a-49c4-845e-56a5f576c6bd.png?v=1784696309</image:loc>
      <image:title>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 1000 mL, 1510-1000</image:title>
      <image:caption>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 1000 mL, 1510-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-griffin-low-form-perfluoroalkoxy-alkane-pfa-50-ml-6-cs-1510-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-53_6b6ab2a1-61ea-4c0a-8033-a5229f0ddbd9.png?v=1784696310</image:loc>
      <image:title>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 50 mL, 6/CS, 1510-0050</image:title>
      <image:caption>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 50 mL, 6/CS, 1510-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-griffin-low-form-perfluoroalkoxy-alkane-pfa-100-ml-1510-0100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-67_15b2f164-0d80-452c-a952-31e9e5e8fbf0.png?v=1784696312</image:loc>
      <image:title>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 100 mL, 1510-0100</image:title>
      <image:caption>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 100 mL, 1510-0100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-beaker-griffin-low-form-perfluoroalkoxy-alkane-pfa-250-ml-1510-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-78_98ec0843-1b2e-4a59-9cd0-821da60204cd.png?v=1784696313</image:loc>
      <image:title>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 250 mL, 1510-0250</image:title>
      <image:caption>Nalgene Beaker, Griffin Low-Form, Perfluoroalkoxy Alkane (PFA) 250 mL, 1510-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chemware-griffin-beaker-ptfe-50-ml-saint-gobain-performance-plastics-d1069036</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-53.png?v=1784696314</image:loc>
      <image:title>Chemware Griffin Beaker, PTFE, 50 mL, Saint Gobain Performance Plastics, D1069036</image:title>
      <image:caption>Chemware Griffin Beaker, PTFE, 50 mL, Saint Gobain Performance Plastics, D1069036</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-white-opaque-teflon-ptfe-heat-up-to-288-degrees-c-250-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-78.png?v=1784696319</image:loc>
      <image:title>Chemware Beaker, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 250 mL, Saint Gobain Performance Plastics, D1069038</image:title>
      <image:caption>Chemware Beaker, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 250 mL, Saint Gobain Performance Plastics, D1069038</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-white-opaque-teflon-ptfe-heat-up-to-288-degrees-c-400-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-80_f700733a-a0b3-45fb-b039-381c99ec9d74.png?v=1784696321</image:loc>
      <image:title>Beaker, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 400 mL, Saint Gobain Performance Plastics, D1069039</image:title>
      <image:caption>Beaker, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 400 mL, Saint Gobain Performance Plastics, D1069039</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-polystyrene-disposable-5-ml-1000-cs-eagle-thermoplastics-b5-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-23.png?v=1785286859</image:loc>
      <image:title>Beaker, Polystyrene, Disposable, 5 mL, 1000/CS, Eagle Thermoplastics, B5-1000</image:title>
      <image:caption>Beaker, Polystyrene, Disposable, 5 mL, 1000/CS, Eagle Thermoplastics, B5-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-polystyrene-disposable-10-ml-1000-cs-eagle-thermoplastics-b10-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-30_4ec8836d-08a0-4d28-b772-bedeb89eb333.png?v=1784696326</image:loc>
      <image:title>Beaker, Polystyrene, Disposable, 10 mL, 1000/CS, Eagle Thermoplastics, B10-1000</image:title>
      <image:caption>Beaker, Polystyrene, Disposable, 10 mL, 1000/CS, Eagle Thermoplastics, B10-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-polystyrene-disposable-20-ml-500-cs-eagle-thermoplastics-b20-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-40_ebe84355-c4b0-4d76-a090-9081cb0a9a64.png?v=1784696328</image:loc>
      <image:title>Beaker, Polystyrene, Disposable, 20 mL, 500/CS, Eagle Thermoplastics, B20-500</image:title>
      <image:caption>Beaker, Polystyrene, Disposable, 20 mL, 500/CS, Eagle Thermoplastics, B20-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-polystyrene-disposable-50-ml-500-cs-eagle-thermoplastics-b50-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-53_c2233220-0400-4ef3-a846-f38a1cabbd04.png?v=1784696329</image:loc>
      <image:title>Beaker, Polystyrene, Disposable, 50 mL, 500/CS, Eagle Thermoplastics, B50-500</image:title>
      <image:caption>Beaker, Polystyrene, Disposable, 50 mL, 500/CS, Eagle Thermoplastics, B50-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polystrene-beaker-disposable-150-ml-100-cs-eagle-thermoplastics-inc-b150-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3529-74.png?v=1784696331</image:loc>
      <image:title>Polystrene Beaker, Disposable, 150 mL, 100/CS, Eagle Thermoplastics, Inc, B150-100</image:title>
      <image:caption>Polystrene Beaker, Disposable, 150 mL, 100/CS, Eagle Thermoplastics, Inc, B150-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-polystyrene-dual-graduations-ml-oz-disposable-250-ml-eagle-thermoplastics-b250-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3529-78_54033dab-3109-4294-a41a-ecd928d099d2.png?v=1784696332</image:loc>
      <image:title>Beaker, Polystyrene, Dual Graduations (mL/ oz.), Disposable, 250 mL, Eagle Thermoplastics, B250-100</image:title>
      <image:caption>Beaker, Polystyrene, Dual Graduations (mL/ oz.), Disposable, 250 mL, Eagle Thermoplastics, B250-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/disposable-beaker-polypropylene-150-ml-100-pk-or-1000-cs-maryland-plastics-l-124</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3530-74_7d9ad989-a532-4de4-be5e-f9b906c886fd.png?v=1784696340</image:loc>
      <image:title>Disposable Beaker, Polypropylene, 150 mL, 100/PK or 1000/CS, Maryland Plastics, L-124</image:title>
      <image:caption>Disposable Beaker, Polypropylene, 150 mL, 100/PK or 1000/CS, Maryland Plastics, L-124</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/disposable-beaker-600-ml-25-pk-or-20-pks-cs-maryland-plastics-l-127</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3530-82.png?v=1784696344</image:loc>
      <image:title>Beaker, Disposable Polypropylene (PP), 600 mL, 25/PK or 20 PKs/CS, Maryland Plastics L-127</image:title>
      <image:caption>Beaker, Disposable Polypropylene (PP), 600 mL, 25/PK or 20 PKs/CS, Maryland Plastics L-127</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/technicon-automatic-analyzer-cup-disposable-polystyrene-conical-bottom-2-ml-labnet-k2502</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3544-17_de770e4c-3122-4cc7-ad99-c59402f2f002.png?v=1784696345</image:loc>
      <image:title>Technicon Automatic Analyzer Cup, Disposable, Polystyrene, Conical Bottom, 2 mL, Labnet, K2502</image:title>
      <image:caption>Technicon Automatic Analyzer Cup, Disposable, Polystyrene, Conical Bottom, 2 mL, Labnet, K2502</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/technicon-sample-cup-polystyrene-for-automatic-analyzer-graduated-disposable-conical-bottom-4-ml-1000-pk-labnet-k2508</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3544-22_c2c15f15-7ca3-4ef6-b2af-a012cc3d6474.png?v=1784696347</image:loc>
      <image:title>Technicon Sample Cup, Polystyrene, for Automatic Analyzer, Graduated, Disposable, Conical Bottom, 4 mL, 1000/PK, Labnet, K2508</image:title>
      <image:caption>Technicon Sample Cup, Polystyrene, for Automatic Analyzer, Graduated, Disposable, Conical Bottom, 4 mL, 1000/PK, Labnet, K2508</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-square-bottle-polycarbonate-with-polypropylene-screw-closure-125-ml-thermo-scientific-2015-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-22_fd9c2d1f-edc7-4ab4-bbd4-099631362408.png?v=1784696348</image:loc>
      <image:title>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 125 mL, Thermo Scientific, 2015-0125</image:title>
      <image:caption>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 125 mL, Thermo Scientific, 2015-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-square-bottle-polycarbonate-with-polypropylene-screw-closure-250-ml-thermo-scientific-2015-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-26_37c86f92-07e9-43be-a4b3-8676c311addd.png?v=1784696350</image:loc>
      <image:title>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 250 mL, Thermo Scientific, 2015-0250</image:title>
      <image:caption>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 250 mL, Thermo Scientific, 2015-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-square-bottle-polycarbonate-with-polypropylene-screw-closure-500-ml-thermo-scientific-2015-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-35.png?v=1784696351</image:loc>
      <image:title>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 500 mL, Thermo Scientific, 2015-0500</image:title>
      <image:caption>Nalgene Narrow Mouth Square Bottle, Polycarbonate with Polypropylene Screw Closure, 500 mL, Thermo Scientific, 2015-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-square-narrow-mouth-hdpe-with-closure-2-oz-thermo-scientific-2018-0060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-17_c6347542-a7c7-418c-8189-e74210def752.png?v=1784696354</image:loc>
      <image:title>Nalgene Bottle, Square, Narrow-Mouth HDPE with Closure, 2 oz.,Thermo Scientific, 2018-0060</image:title>
      <image:caption>Nalgene Bottle, Square, Narrow-Mouth HDPE with Closure, 2 oz.,Thermo Scientific, 2018-0060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-square-hdpe-graduated-bottles-with-38-430-mm-polypropylene-closure-125-ml-250-cs-thermo-scientific-312018-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-23_2d6faaa9-7e07-46cd-850b-92aff69b46cf.png?v=1784696355</image:loc>
      <image:title>Nalgene Square HDPE Graduated Bottles with 38-430 mm Polypropylene Closure, 125 mL, 250/CS, Thermo Scientific, 312018-0125</image:title>
      <image:caption>Nalgene Square HDPE Graduated Bottles with 38-430 mm Polypropylene Closure, 125 mL, 250/CS, Thermo Scientific, 312018-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-square-high-density-polyethylene-hdpe-graduated-bottles-with-narrow-mouth-38-430-mm-polypropylene-closure-6-pk-or-24-cs-thermo-scientific-2018-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-46_f4842481-ecef-41f3-94c7-853417a991ae.png?v=1784696356</image:loc>
      <image:title>Nalgene Square High-Density Polyethylene (HDPE) Graduated Bottles with Narrow-Mouth, 38-430 mm Polypropylene Closure, 6/PK or 24/CS, Thermo Scientific, 2018-1000</image:title>
      <image:caption>Nalgene Square High-Density Polyethylene (HDPE) Graduated Bottles with Narrow-Mouth, 38-430 mm Polypropylene Closure, 6/PK or 24/CS, Thermo Scientific, 2018-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-square-petg-media-bottles-with-closure-60-ml-2-oz-thermo-scientific-2019-0060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3925-17_0b421bf6-9052-4d3c-9466-4770c5e43186.png?v=1784696358</image:loc>
      <image:title>Nalgene Square PETG Media Bottles with Closure, 60 mL (2 oz), Thermo Scientific, 2019-0060</image:title>
      <image:caption>Nalgene Square PETG Media Bottles with Closure, 60 mL (2 oz), Thermo Scientific, 2019-0060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-square-petg-media-bottles-with-closure-narrow-mouth-125-ml-4-oz-thermo-scientific-2019-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3925-22_65f0a8d3-a4b4-4b45-a1be-f481e2e97f27.png?v=1784696359</image:loc>
      <image:title>Nalgene Square PETG Media Bottles with Closure, Narrow Mouth, 125 mL (4 oz), Thermo Scientific, 2019-0125</image:title>
      <image:caption>Nalgene Square PETG Media Bottles with Closure, Narrow Mouth, 125 mL (4 oz), Thermo Scientific, 2019-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-teflon-fluorinated-ethylene-propylene-fep-with-tefzel-ethylene-tetrafluoroethylene-etfe-cap-30-ml-1-pk-or-8-cs-thermo-scientific-1600-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-12_5d40061e-7d24-492e-8a7d-343c566f5c8b.png?v=1784696360</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 30 mL, 1/PK or 8/CS, Thermo Scientific, 1600-0001</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 30 mL, 1/PK or 8/CS, Thermo Scientific, 1600-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-teflon-fluorinated-ethylene-propylene-fep-with-tefzel-ethylene-tetrafluoroethylene-etfe-cap-60-ml-1-pk-or-8-cs-thermo-scientific-1600-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-17.png?v=1784696362</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 60 mL, 1/PK or 8/CS, Thermo Scientific, 1600-0002</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 60 mL, 1/PK or 8/CS, Thermo Scientific, 1600-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-teflon-fep-125-ml-1600-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-22_07b3938b-639a-426e-8612-0dd9caf60f86.png?v=1784696363</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth, Teflon FEP, 125 mL, 1600-0004</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth, Teflon FEP, 125 mL, 1600-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-teflon-fluorinated-ethylene-propylene-fep-with-tefzel-ethylene-tetrafluoroethylene-etfe-cap-250-ml-1-pk-or-4-cs-thermo-scientific-1600-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-26_d46962c3-2468-47de-976e-08c78426f109.png?v=1784696365</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Teflon, Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 250 mL, 1/PK or 4/CS, Thermo Scientific, 1600-0008</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Teflon, Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 250 mL, 1/PK or 4/CS, Thermo Scientific, 1600-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-teflon-fluorinated-ethylene-propylene-fep-with-tefzel-ethylene-tetrafluoroethylene-etfe-cap-500-ml-1-pk-or-4-cs-thermo-scientific-1600-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-35_69fd52c0-9517-4ca0-a121-ece333eb6929.png?v=1784696366</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 500 mL, 1/PK or 4/CS, Thermo Scientific, 1600-0016</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 500 mL, 1/PK or 4/CS, Thermo Scientific, 1600-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-teflon-fluorinated-ethylene-propylene-fep-with-tefzel-ethylene-tetrafluoroethylene-etfe-cap-1-l-1-pk-or-4-cs-thermo-scientific-1600-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-46_c8f43265-0bb5-4c8d-a77c-f998afe8ae8d.png?v=1784696367</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 1 L, 1/PK or 4/CS, Thermo Scientific, 1600-0032</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Teflon  Fluorinated Ethylene Propylene (FEP) with Tefzel  Ethylene Tetrafluoroethylene (ETFE) Cap, 1 L, 1/PK or 4/CS, Thermo Scientific, 1600-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-narrow-mouth-low-density-polyethylene-with-high-density-buttress-screw-cap-500-ml-16-oz-bel-art-products-f10611-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3960-35.png?v=1784696369</image:loc>
      <image:title>Bottle, Narrow-mouth, Low-density Polyethylene with High-Density Buttress Screw-cap, 500 mL (16 oz.), Bel Art Products, F10611-0016</image:title>
      <image:caption>Bottle, Narrow-mouth, Low-density Polyethylene with High-Density Buttress Screw-cap, 500 mL (16 oz.), Bel Art Products, F10611-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wide-mouth-high-density-polyethylene-bottle-with-polypropylene-screw-closure-1000-ml-thermo-scientific-2125-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-86.png?v=1784696370</image:loc>
      <image:title>Nalgene Wide Mouth High Density Polyethylene Bottle, with Polypropylene Screw Closure, 1000 mL, Thermo Scientific, 2125-1000</image:title>
      <image:caption>Nalgene Wide Mouth High Density Polyethylene Bottle, with Polypropylene Screw Closure, 1000 mL, Thermo Scientific, 2125-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wide-mouth-high-density-polyethylene-bottle-with-polypropylene-screw-closure-2000-ml-thermo-scientific-2125-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-88.png?v=1784696372</image:loc>
      <image:title>Nalgene Wide Mouth High Density Polyethylene Bottle, with Polypropylene Screw Closure, 2000 mL, Thermo Scientific, 2125-2000</image:title>
      <image:caption>Nalgene Wide Mouth High Density Polyethylene Bottle, with Polypropylene Screw Closure, 2000 mL, Thermo Scientific, 2125-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-heavy-duty-high-density-polyethylene-hdpe-with-polypropylene-cap-round-4-l-thermo-scientific-2125-4000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-91_8e1848a2-2712-4e77-9399-87837699a029.png?v=1784696373</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Heavy-Duty High-Density Polyethylene (HDPE) with Polypropylene Cap, Round, 4 L, Thermo Scientific, 2125-4000</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Heavy-Duty High-Density Polyethylene (HDPE) with Polypropylene Cap, Round, 4 L, Thermo Scientific, 2125-4000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-large-clear-polycarbonate-pc-with-polypropylene-cap-4-l-1-cs-thermo-scientific-ds2205-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3964-20_72d6b5ef-3d0e-4bf4-aa58-951a9f5cc003.png?v=1784696374</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, Large, Clear Polycarbonate (PC) with Polypropylene Cap, 4 L, 1/CS, Thermo Scientific, DS2205-0010</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, Large, Clear Polycarbonate (PC) with Polypropylene Cap, 4 L, 1/CS, Thermo Scientific, DS2205-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-8-ml-72-cs-thermo-scientific-2002-9025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3965-03_0d1c21a8-8a98-4a2d-a185-a2b6f6fa8023.png?v=1784696376</image:loc>
      <image:title>Nalgene Bottle, Round, Narrow-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 8 mL, 72/CS, Thermo Scientific, 2002-9025</image:title>
      <image:caption>Nalgene Bottle, Round, Narrow-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 8 mL, 72/CS, Thermo Scientific, 2002-9025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-hdpe-bottle-1-2-oz-15-ml-with-polypropylene-screw-cap-thermo-scientific-ea-12-pk-or-72-cs-2002-9050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3965-08_70dd7187-9046-41d6-8deb-aa494343bfd7.png?v=1784696377</image:loc>
      <image:title>Nalgene Narrow-Mouth HDPE Bottle, 1/2 oz. (15 mL) with Polypropylene Screw Cap, Thermo Scientific, EA, 12/PK or 72/CS, 2002-9050</image:title>
      <image:caption>Nalgene Narrow-Mouth HDPE Bottle, 1/2 oz. (15 mL) with Polypropylene Screw Cap, Thermo Scientific, EA, 12/PK or 72/CS, 2002-9050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-low-density-polyethylene-ldpe-bottle-with-polypropylene-pp-screw-closure-round-15-ml-thermo-scientific-2003-9050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-08_3e746d43-070f-42dd-a86c-f9f94440ec04.png?v=1784696379</image:loc>
      <image:title>Nalgene Narrow Mouth Low Density Polyethylene (LDPE) Bottle, with Polypropylene (PP) Screw Closure, Round, 15 mL, Thermo Scientific, 2003-9050</image:title>
      <image:caption>Nalgene Narrow Mouth Low Density Polyethylene (LDPE) Bottle, with Polypropylene (PP) Screw Closure, Round, 15 mL, Thermo Scientific, 2003-9050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-low-density-polyethylene-ldpe-bottles-with-polypropylene-pp-closure-round-30-ml-thermo-scientific-2003-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-12_20a00da8-0a6f-476f-8fda-252575188861.png?v=1784696380</image:loc>
      <image:title>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottles with Polypropylene (PP) Closure, Round, 30 mL, Thermo Scientific, 2003-0001</image:title>
      <image:caption>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottles with Polypropylene (PP) Closure, Round, 30 mL, Thermo Scientific, 2003-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-low-density-polyethylene-ldpe-bottle-with-polypropylene-pp-screw-closure-round-60-ml-ea-or-72-cs-thermo-scientific-2003-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-17_ae808991-645a-4fa3-9c59-e68a6dd6fed9.png?v=1784696382</image:loc>
      <image:title>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottle, with Polypropylene (PP) Screw Closure, Round, 60 mL, EA or 72/CS, Thermo Scientific, 2003-0002</image:title>
      <image:caption>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottle, with Polypropylene (PP) Screw Closure, Round, 60 mL, EA or 72/CS, Thermo Scientific, 2003-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-low-density-polyethylene-bottle-ldpe-with-polypropylene-pp-screw-closure-125-ml-ea-12-pk-or-72-cs-thermo-scientific-2003-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-22_e458b97c-84d6-4e54-acd7-d9d7b493d343.png?v=1784696383</image:loc>
      <image:title>Nalgene Narrow-Mouth Low-Density Polyethylene Bottle (LDPE), with Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2003-0004</image:title>
      <image:caption>Nalgene Narrow-Mouth Low-Density Polyethylene Bottle (LDPE), with Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2003-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-narrow-mouth-low-density-polyethylene-ldpe-bottles-with-polypropylene-pp-closure-round-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2003-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-28.png?v=1784696385</image:loc>
      <image:title>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottles with Polypropylene (PP) Closure, Round, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2003-0008</image:title>
      <image:caption>Nalgene Narrow-Mouth Low-Density Polyethylene (LDPE) Bottles with Polypropylene (PP) Closure, Round, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2003-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-closure-round-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2003-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-35_bf87ada6-320a-41c0-b583-3823cc718877.png?v=1784696386</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, Round, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2003-0016</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, Round, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2003-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-round-1000-ml-ea-6-pk-or-24-cs-thermo-scientific-2003-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-46_399a2bf7-761d-49ef-9490-d3c9250a6cb6.png?v=1784696387</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2003-0032</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2003-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-round-2-l-ea-or-6-cs-thermo-scientific-2202-0005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-59_4816114d-e392-48ea-bd23-1a53852e7909.png?v=1784696388</image:loc>
      <image:title>Nalgene Bottle, Large Narrow Mouth Low Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 2 L, EA or 6/CS, Thermo Scientific, 2202-0005</image:title>
      <image:caption>Nalgene Bottle, Large Narrow Mouth Low Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 2 L, EA or 6/CS, Thermo Scientific, 2202-0005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-round-4-l-1-pk-or-6-cs-thermo-scientific-2202-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-71_4941fa46-da57-4399-8f00-0286682c29e1.png?v=1784696390</image:loc>
      <image:title>Nalgene Bottle, Large Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 4 L, 1/PK or 6/CS, Thermo Scientific, 2202-0010</image:title>
      <image:caption>Nalgene Bottle, Large Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, Round, 4 L, 1/PK or 6/CS, Thermo Scientific, 2202-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-cap-round-8-l-1-pk-or-6-cs-thermo-scientific-2202-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-78_434590f3-6a0c-4214-8b2f-77206d0c89d1.png?v=1784696391</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Cap, Round, 8 L, 1/PK or 6/CS, Thermo Scientific, 2202-0020</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Cap, Round, 8 L, 1/PK or 6/CS, Thermo Scientific, 2202-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-round-cylinder-narrow-mouth-hdpe-level-3-epa-certified-1000-ml-34-oz-with-cap-12-cs-qec-3211-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3967-46_486554f2-268b-4fd5-b064-f292c9eaad5e.png?v=1784696393</image:loc>
      <image:title>Bottle, Level 3 Natural Narrow-Mouth, Modern Round Cylinder, High Density Polyethylene(HDPE) with Polyethylene-Foam Lined Polypropylene (PP) Cap, 34 oz (1000 mL), 28 mm cap, 12/CS, Quality Environmental Containers (QEC), 3211-0032</image:title>
      <image:caption>Bottle, Level 3 Natural Narrow-Mouth, Modern Round Cylinder, High Density Polyethylene(HDPE) with Polyethylene-Foam Lined Polypropylene (PP) Cap, 34 oz (1000 mL), 28 mm cap, 12/CS, Quality Environmental Containers (QEC), 3211-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-ip2-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-cap-round-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2099-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-35.png?v=1784696394</image:loc>
      <image:title>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2099-0016</image:title>
      <image:caption>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2099-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-ip2-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-cap-round-1-l-ea-6-pk-or-24-cs-thermo-scientific-2099-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-46_b55dfa4a-6d93-4992-82f4-38c04b1b9d33.png?v=1784696395</image:loc>
      <image:title>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 1 L, EA, 6/PK or 24/CS, Thermo Scientific, 2099-0032</image:title>
      <image:caption>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 1 L, EA, 6/PK or 24/CS, Thermo Scientific, 2099-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-ip2-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-cap-round-4-l-6-cs-thermo-scientific-2099-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-71_a19d1465-20e6-411e-90f0-c16411cd9c43.png?v=1784696396</image:loc>
      <image:title>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 4 L, 6/CS, Thermo Scientific, 2099-0010</image:title>
      <image:caption>Nalgene Bottle, IP2, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, Round, 4 L, 6/CS, Thermo Scientific, 2099-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-8-ml-ea-12-pk-or-72-cs-thermo-scientific-2004-9025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-06_c467c6b8-cf72-44e1-b60b-262c633b1360.png?v=1784696398</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 8 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-9025</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 8 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-9025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-15-ml-ea-12-pk-or-72-cs-thermo-scientific-2004-9050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-08_d877d6e0-a195-4150-81d7-ce519eb4c89f.png?v=1784696400</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 15 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-9050</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 15 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-9050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-60-ml-ea-12-pk-or-72-cs-thermo-scientific-2004-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-17_350deb43-0972-405a-8012-0b838a4f18f6.png?v=1784696402</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 60 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0002</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, 60 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-round-125-ml-ea-12-pk-or-72-cs-thermo-scientific-2004-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-22_192ac1bc-39a4-467c-8d3e-ba84f58dce33.png?v=1784696408</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0004</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-round-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2004-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-26.png?v=1784696409</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0008</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2004-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-round-500-ml-ea-12-pk-48-cs-or-thermo-scientific-ds2085-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-35_fdae8c75-104a-40e6-9937-536c73641bd7.png?v=1784696411</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 500 mL, EA, 12/PK, 48/CS, or Thermo Scientific, DS2085-0016</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round, 500 mL, EA, 12/PK, 48/CS, or Thermo Scientific, DS2085-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-narrow-mouth-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-screw-closure-round-1000-ml-ea-6-pk-or-24-cs-thermo-scientific-2004-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-46.png?v=1784696413</image:loc>
      <image:title>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round,  1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2004-0032</image:title>
      <image:caption>Nalgene Bottle, Amber Narrow-Mouth High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Screw Closure, Round,  1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2004-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-amber-narrow-mouth-polypropylene-copolymer-ppco-with-amber-polypropylene-screw-closure-round-4-l-1-pk-or-6-cs-thermo-scientific-2204-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-71_c9359ea4-3843-4c05-b836-4290135e3e72.png?v=1784696414</image:loc>
      <image:title>Nalgene Bottle, Large Amber Narrow-Mouth Polypropylene Copolymer (PPCO) with Amber Polypropylene Screw Closure, Round, 4 L, 1/PK or 6/CS, Thermo Scientific, 2204-0010</image:title>
      <image:caption>Nalgene Bottle, Large Amber Narrow-Mouth Polypropylene Copolymer (PPCO) with Amber Polypropylene Screw Closure, Round, 4 L, 1/PK or 6/CS, Thermo Scientific, 2204-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-amber-polypropylene-copolymer-ppco-with-white-polyproplylene-pp-cap-and-shoulder-loop-2-l-1-pk-or-6-cs-thermo-scientific-2204-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-78_6d6014a7-83a3-4242-a42d-bc7f2e0e8b36.png?v=1784696416</image:loc>
      <image:title>Nalgene Bottle, Large Amber Polypropylene Copolymer (PPCO) with White Polyproplylene (PP) Cap and Shoulder Loop, 2 L, 1/PK or 6/CS, Thermo Scientific, 2204-0020</image:title>
      <image:caption>Nalgene Bottle, Large Amber Polypropylene Copolymer (PPCO) with White Polyproplylene (PP) Cap and Shoulder Loop, 2 L, 1/PK or 6/CS, Thermo Scientific, 2204-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packaging-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-30-ml-ea-72-pk-or-1000-cs-thermo-scientific-bulk-packaged-312085-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-12_00f67dc8-d204-40b0-ac39-c36cd89bbeef.png?v=1784696417</image:loc>
      <image:title>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 30 mL, EA, 72/PK or 1000/CS, Thermo Scientific, Bulk Packaged, 312085-0001</image:title>
      <image:caption>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 30 mL, EA, 72/PK or 1000/CS, Thermo Scientific, Bulk Packaged, 312085-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packaging-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-60-ml-ea-72-pk-or-1000-cs-thermo-scientific-bulk-packaged-312085-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-17_d9c51b95-bade-4409-9ff9-12a0339007f9.png?v=1784696419</image:loc>
      <image:title>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 60 mL, EA, 72/PK or 1000/CS, Thermo Scientific, Bulk Packaged, 312085-0002</image:title>
      <image:caption>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 60 mL, EA, 72/PK or 1000/CS, Thermo Scientific, Bulk Packaged, 312085-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packaging-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-125-ml-ea-72-pk-or-500-cs-thermo-scientific-bulk-packaged-312085-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-22_29771399-3740-41d1-866e-cc73f30591bf.png?v=1784696420</image:loc>
      <image:title>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 125 mL, EA, 72/PK or 500/CS, Thermo Scientific, Bulk Packaged, 312085-0004</image:title>
      <image:caption>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 125 mL, EA, 72/PK or 500/CS, Thermo Scientific, Bulk Packaged, 312085-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packaging-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-250-ml-ea-72-pk-or-250-cs-thermo-scientific-bulk-packaged-312085-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-26_67453038-c24a-4a9b-873e-65766a878737.png?v=1784696422</image:loc>
      <image:title>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 250 mL, EA, 72/PK or 250/CS, Thermo Scientific, Bulk Packaged, 312085-0008</image:title>
      <image:caption>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 250 mL, EA, 72/PK or 250/CS, Thermo Scientific, Bulk Packaged, 312085-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packaging-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-500-ml-ea-48-pk-or-125-cs-thermo-scientific-bulk-packaged-312085-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-35_577510a4-e427-472d-8c8e-bcd4844399ac.png?v=1784696423</image:loc>
      <image:title>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 500 mL, EA, 48/PK or 125/CS, Thermo Scientific, Bulk Packaged, 312085-0016</image:title>
      <image:caption>Nalgene Bottle, Packaging, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 500 mL, EA, 48/PK or 125/CS, Thermo Scientific, Bulk Packaged, 312085-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packer-round-narrow-mouth-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-1-l-ea-24-pk-or-50-cs-bulk-packaged-thermo-scientific-312085-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-46_a82c4a12-435c-4445-8edb-e7039c1d9ed5.png?v=1784696426</image:loc>
      <image:title>Nalgene Bottle, Packer, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 1 L, EA, 24/PK or 50/CS, Bulk Packaged, Thermo Scientific, 312085-0032</image:title>
      <image:caption>Nalgene Bottle, Packer, Round, Narrow-Mouth, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 1 L, EA, 24/PK or 50/CS, Bulk Packaged, Thermo Scientific, 312085-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-fluorinated-narrow-mouth-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-closure-round-250-ml-72-cs-thermo-scientific-2097-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-28_fa491f71-b01c-408a-96dc-6959ad36fec9.png?v=1784696427</image:loc>
      <image:title>Nalgene Bottle, Fluorinated Narrow-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, Round, 250 mL, 72/CS, Thermo Scientific, 2097-0008</image:title>
      <image:caption>Nalgene Bottle, Fluorinated Narrow-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, Round, 250 mL, 72/CS, Thermo Scientific, 2097-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-fluorinated-narrow-mouth-hdpe-bottles-with-closure-1-l-ml-6-pk-or-4-pks-cs-24-2097-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-46_ef833f5d-7266-406e-a200-dbd3e8c1b443.png?v=1784696428</image:loc>
      <image:title>Nalgene Fluorinated Narrow-Mouth HDPE Bottles with Closure, 1 L mL, 6/PK or 4 PKs/CS (24), 2097-0032</image:title>
      <image:caption>Nalgene Fluorinated Narrow-Mouth HDPE Bottles with Closure, 1 L mL, 6/PK or 4 PKs/CS (24), 2097-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-fluorinated-narrow-mouth-hdpe-bottles-with-closure-2-l-1-pk-or-6-pks-cs-6-2097-0005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-59_48358195-3dab-4bc8-9257-21acc349db3c.png?v=1784696429</image:loc>
      <image:title>Nalgene Fluorinated Narrow-Mouth HDPE Bottles with Closure, 2 L, 1/PK or 6 PKs/CS (6), 2097-0005</image:title>
      <image:caption>Nalgene Fluorinated Narrow-Mouth HDPE Bottles with Closure, 2 L, 1/PK or 6 PKs/CS (6), 2097-0005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-fluorinated-narrow-mouth-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-closure-4-l-6-cs-thermo-scientific-2097-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-71.png?v=1784696431</image:loc>
      <image:title>Nalgene Carboy, Fluorinated Narrow-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, 4 L, 6/CS, Thermo Scientific, 2097-0010</image:title>
      <image:caption>Nalgene Carboy, Fluorinated Narrow-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, 4 L, 6/CS, Thermo Scientific, 2097-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-fluorinated-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-closure-10-l-ea-or-6-cs-thermo-scientific-2097-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-85.png?v=1784696433</image:loc>
      <image:title>Nalgene Carboy, Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, 10 L, EA or 6/CS, Thermo Scientific, 2097-0020</image:title>
      <image:caption>Nalgene Carboy, Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Closure, 10 L, EA or 6/CS, Thermo Scientific, 2097-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-polypropylene-with-handles-and-cap-10-l-2250-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3981-17_a5fd3acd-17c0-4362-8e9d-efb46d799b65.png?v=1784696434</image:loc>
      <image:title>Nalgene Carboy, Polypropylene with Handles and Cap, 10 L, 2250-0020</image:title>
      <image:caption>Nalgene Carboy, Polypropylene with Handles and Cap, 10 L, 2250-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-with-handles-white-polypropylene-13-gal-50-l-thermo-scientific-2250-0130</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3981-31_d1085fa6-8500-49e6-89a2-87c46f62895a.png?v=1784696437</image:loc>
      <image:title>Nalgene Carboy with Handles, White, Polypropylene, 13 gal. / 50 L, Thermo Scientific, 2250-0130</image:title>
      <image:caption>Nalgene Carboy with Handles, White, Polypropylene, 13 gal. / 50 L, Thermo Scientific, 2250-0130</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-rectangular-polypropylene-pp-with-polypropylene-pp-closure-9-l-2-gallon-autoclavable-14-in-high-1-pk-or-6-cs-thermo-scientific-2212-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3984-18_9ab01043-b842-4e8e-b3c8-f493c65491eb.png?v=1784696439</image:loc>
      <image:title>Nalgene Carboy, Rectangular Polypropylene (PP) with Polypropylene (PP) Closure, 9 L / 2 Gallon, Autoclavable, 14 in. High, 1/PK or 6/CS, Thermo Scientific, 2212-0020</image:title>
      <image:caption>Nalgene Carboy, Rectangular Polypropylene (PP) with Polypropylene (PP) Closure, 9 L / 2 Gallon, Autoclavable, 14 in. High, 1/PK or 6/CS, Thermo Scientific, 2212-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-rectangular-polypropylene-carboy-with-closure-20-l-5-3-gallons-autoclavable-16-in-high-1-pk-or-4-cs-2212-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3984-23_adedaa2a-75df-4392-bb62-d0ef9d1a1e07.png?v=1784696440</image:loc>
      <image:title>Nalgene Rectangular Polypropylene Carboy with Closure, 20 L/ 5.3 Gallons, Autoclavable, 16 in. High, 1/PK or 4/CS, 2212-0050</image:title>
      <image:caption>Nalgene Rectangular Polypropylene Carboy with Closure, 20 L/ 5.3 Gallons, Autoclavable, 16 in. High, 1/PK or 4/CS, 2212-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-jerrican-high-density-polyethylene-hdpe-with-white-polypropylene-pp-screw-closure-20-l-1-pk-or-4-cs-thermo-scientific-2240-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4000-23.png?v=1784696442</image:loc>
      <image:title>Nalgene Jerrican, High-Density Polyethylene (HDPE) with White Polypropylene (PP) Screw Closure, 20 L, 1/PK or 4/CS, Thermo Scientific, 2240-0050</image:title>
      <image:caption>Nalgene Jerrican, High-Density Polyethylene (HDPE) with White Polypropylene (PP) Screw Closure, 20 L, 1/PK or 4/CS, Thermo Scientific, 2240-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jerrican-high-density-polyethylene-hdpe-with-screw-cap-and-spout-5-l-1-1-4-gallons-3-4-in-i-d-spout-bel-art-products-h10935-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-70_f960b12f-4758-40a5-b974-cf2b0f52feb2.png?v=1784696443</image:loc>
      <image:title>Jerrican, High-Density Polyethylene (HDPE) with Screw Cap and Spout, 5 L (1-1/4 gallons), 8 in. long x 3/4 in. I.D. Spout, Bel Art Products, H10935-0000</image:title>
      <image:caption>Jerrican, High-Density Polyethylene (HDPE) with Screw Cap and Spout, 5 L (1-1/4 gallons), 8 in. long x 3/4 in. I.D. Spout, Bel Art Products, H10935-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jerrican-high-density-polyethylene-hdpe-10-l-2-1-2-gallons-3-4-in-i-d-spout-bel-art-products-h10936-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-79_5ec598fe-c500-4115-a9dc-07768740522d.png?v=1784696445</image:loc>
      <image:title>Jerrican, High-Density Polyethylene (HDPE), 10 L (2-1/2 gallons), 3/4 in. I.D. Spout, Bel-Art Products, H10936-0000</image:title>
      <image:caption>Jerrican, High-Density Polyethylene (HDPE), 10 L (2-1/2 gallons), 3/4 in. I.D. Spout, Bel-Art Products, H10936-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jerrican-high-density-polyethylene-hdpe-20-l-5-gallons-1-in-i-d-spout-bel-art-products-h10937-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-82_e1249ce5-2a3b-48ad-9a64-a265c1b2f5c0.png?v=1784696446</image:loc>
      <image:title>Jerrican, High-Density Polyethylene (HDPE), 20 L (5 gallons), 1 in. I.D. Spout, Bel Art Products, H10937-0000</image:title>
      <image:caption>Jerrican, High-Density Polyethylene (HDPE), 20 L (5 gallons), 1 in. I.D. Spout, Bel Art Products, H10937-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cubitainer-pre-cleaned-to-epa-standards-32-oz-case-of-12</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4012-05_e66a9ab0-e7cb-4fe3-979d-8f3e975502a0.png?v=1784696448</image:loc>
      <image:title>Cubitainer, Level 2 - Pre-Cleaned to EPA Standards, 32  oz., 12/CS, Quality Envriornmental Containers (QEC), 2211-003212</image:title>
      <image:caption>Cubitainer, Level 2 - Pre-Cleaned to EPA Standards, 32  oz., 12/CS, Quality Envriornmental Containers (QEC), 2211-003212</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/shipping-container-1-gallon-for-10-4012-cubitainer</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4014-05_fa3a659c-93df-4d69-a947-5a440c2ed5dc.png?v=1784696449</image:loc>
      <image:title>Shipping Carton, for 10-4012 1 gallon Cubitainer, Cincinnati Container Company, 702128CB01N</image:title>
      <image:caption>Shipping Carton, for 10-4012 1 gallon Cubitainer, Cincinnati Container Company, 702128CB01N</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-125-ml-thermo-scientific-2007-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-71_68bdbc69-23ef-422c-aa8c-e4c6884677ff.png?v=1784696451</image:loc>
      <image:title>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2007-0004</image:title>
      <image:caption>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2007-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-250-ml-thermo-scientific-2007-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-78_27375595-3d30-42db-9f1c-ab8681905544.png?v=1784696453</image:loc>
      <image:title>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 250 mL, Thermo Scientific, 2007-0008</image:title>
      <image:caption>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 250 mL, Thermo Scientific, 2007-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-500-ml-thermo-scientific-2007-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-81_df1ab704-62a4-4eb0-815d-a28d7c3675d0.png?v=1784696454</image:loc>
      <image:title>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure,  500 mL, Thermo Scientific, 2007-0016</image:title>
      <image:caption>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure,  500 mL, Thermo Scientific, 2007-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-1000-ml-thermo-scientific-2007-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-86_d132eff3-9de4-4069-96b3-63d09679e9c3.png?v=1784696456</image:loc>
      <image:title>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Thermo Scientific, 2007-0032</image:title>
      <image:caption>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Thermo Scientific, 2007-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-2000-ml-thermo-scientific-2007-0064</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-88_ea22c01a-bf47-47c3-9cd6-58c5935a46ff.png?v=1784696457</image:loc>
      <image:title>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 2000 mL, Thermo Scientific, 2007-0064</image:title>
      <image:caption>Nalgene Bottle, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 2000 mL, Thermo Scientific, 2007-0064</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-125-ml-thermo-scientific-2009-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4020-22_cbca2880-4edb-4199-b7f0-98366dc053aa.png?v=1784696459</image:loc>
      <image:title>Nalgene Bottle, Amber, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2009-0004</image:title>
      <image:caption>Nalgene Bottle, Amber, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2009-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-amber-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-1000-ml-thermo-scientific-2009-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4020-46_68641389-915a-4e2f-a419-0a5597ab92af.png?v=1784696464</image:loc>
      <image:title>Nalgene Bottle, Amber, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Thermo Scientific, 2009-0032</image:title>
      <image:caption>Nalgene Bottle, Amber, Rectangular Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Thermo Scientific, 2009-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-square-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-cap-500-ml-bel-art-products-f10904-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4025X-81_8c185cbc-39a3-45f6-a366-78128a3bfd06.png?v=1784696467</image:loc>
      <image:title>Bottle, Square, Wide-mouth, High-density Polyethylene (HDPE) with Polypropylene (PP) Screw-cap, 500 mL, Bel Art Products, F10904-0500</image:title>
      <image:caption>Bottle, Square, Wide-mouth, High-density Polyethylene (HDPE) with Polypropylene (PP) Screw-cap, 500 mL, Bel Art Products, F10904-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-square-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-60-ml-ea-12-pk-or-72-cs-thermo-scientific-2114-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-17.png?v=1784696468</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 60 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0002</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 60 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-square-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-175-ml-ea-12-pk-or-72-cs-thermo-scientific-2114-0006</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-24_1443778d-11bd-4708-9cf1-d336a6e9bbea.png?v=1784696469</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 175 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0006</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 175 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0006</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-square-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2114-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-26_35839268-4a75-4d28-8d89-62fd1442fe12.png?v=1784696471</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0008</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2114-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-square-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2114-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-35.png?v=1784696473</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2114-0016</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2114-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-square-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-1-l-ea-6-pk-or-24-cs-thermo-scientific-2114-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-46_a8684b1c-290f-429c-852f-76b1b9f2a789.png?v=1784696474</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 1 L, EA, 6/PK or 24/CS, Thermo Scientific, 2114-0032</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Square, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 1 L, EA, 6/PK or 24/CS, Thermo Scientific, 2114-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-square-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-cap-175-ml-12-pk-or-6-cs-thermo-scientific-2110-0006</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-24.png?v=1784696476</image:loc>
      <image:title>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 175 mL, 12/PK or 6/CS, Thermo Scientific, 2110-0006</image:title>
      <image:caption>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 175 mL, 12/PK or 6/CS, Thermo Scientific, 2110-0006</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-square-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-cap-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2110-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-26_b4f01439-32ce-4000-9b1b-7919439bad04.png?v=1784696478</image:loc>
      <image:title>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2110-0008</image:title>
      <image:caption>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2110-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-square-media-polyethylene-terephthalate-glycol-petg-with-high-density-polyethylene-hdpe-closure-sterile-250-ml-48-cs-thermo-scientific-2019-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-27_b1cab8e8-0634-48bb-89ab-11d18bb6fe3f.png?v=1784696479</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth, Square, Media, Polyethylene Terephthalate Glycol (PETG) with High-Density Polyethylene (HDPE) Closure, Sterile, 250 mL, 48/CS, Thermo Scientific, 2019-0250</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth, Square, Media, Polyethylene Terephthalate Glycol (PETG) with High-Density Polyethylene (HDPE) Closure, Sterile, 250 mL, 48/CS, Thermo Scientific, 2019-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-square-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-cap-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2110-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-35_c0d5c649-270c-41d7-a157-244d6d731eac.png?v=1784696481</image:loc>
      <image:title>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2110-0016</image:title>
      <image:caption>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2110-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-square-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-cap-1000-ml-ea-6-pk-or-24-cs-thermo-scientific-2110-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-46_e916fea5-480b-4f5e-bde1-1bba2fdc931b.png?v=1784696482</image:loc>
      <image:title>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2110-0032</image:title>
      <image:caption>Nalgene Bottle, Square, Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP) Cap, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2110-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-media-bottles-square-pet-with-closure-sterile-shrink-wrapped-trays-graduated-125-ml-96-cs-thermo-scientific-342040-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-71_c1a83ec4-d69b-43c2-8ee5-0d3a1ec74496.png?v=1784696483</image:loc>
      <image:title>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 125 mL, 96/CS, Thermo Scientific, 342040-0125</image:title>
      <image:caption>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 125 mL, 96/CS, Thermo Scientific, 342040-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-media-bottles-square-pet-with-closure-sterile-shrink-wrapped-trays-graduated-250-ml-60-cs-thermo-scientific-342040-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-78_c8d36bd6-b449-4d79-bf5b-048e01b942d7.png?v=1784696485</image:loc>
      <image:title>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 250 mL, 60/CS, Thermo Scientific, 342040-0250</image:title>
      <image:caption>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 250 mL, 60/CS, Thermo Scientific, 342040-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-media-bottles-square-pet-with-closure-sterile-shrink-wrapped-trays-graduated-650-ml-48-cs-thermo-scientific-342040-0650</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-80_46d0236f-300f-4b39-b02c-1d846f43cd04.png?v=1784696486</image:loc>
      <image:title>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 650 mL, 48/CS, Thermo Scientific, 342040-0650</image:title>
      <image:caption>Nalgene Media Bottles, Square PET with Closure: Sterile, Shrink-Wrapped Trays, Graduated, 650 mL, 48/CS, Thermo Scientific, 342040-0650</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-square-wide-mouth-polypropylene-copolymer-ppco-with-white-polypropylene-pp-screw-closure-4000-ml-1-gal-thermo-scientific-2122-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4035-71.png?v=1784696488</image:loc>
      <image:title>Nalgene Bottle, Large, Square Wide-Mouth Polypropylene Copolymer (PPCO) with White Polypropylene (PP) Screw Closure, 4000 mL / 1 Gal, Thermo Scientific, 2122-0010</image:title>
      <image:caption>Nalgene Bottle, Large, Square Wide-Mouth Polypropylene Copolymer (PPCO) with White Polypropylene (PP) Screw Closure, 4000 mL / 1 Gal, Thermo Scientific, 2122-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-teflon-fluorinated-ethylene-propylene-fep-bottle-with-tefzel-ethylene-tetrafluoroethylene-etfe-screw-closure-125-ml-thermo-scientific-2100-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4040-22_e4267213-919d-4977-837f-5c5f2718bd2f.png?v=1784696489</image:loc>
      <image:title>Nalgene Bottle, Wide Mouth Teflon Fluorinated Ethylene Propylene (FEP) Bottle, with Tefzel Ethylene Tetrafluoroethylene (ETFE) Screw Closure, 125 mL, Thermo Scientific, 2100-0004</image:title>
      <image:caption>Nalgene Bottle, Wide Mouth Teflon Fluorinated Ethylene Propylene (FEP) Bottle, with Tefzel Ethylene Tetrafluoroethylene (ETFE) Screw Closure, 125 mL, Thermo Scientific, 2100-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-polypropylene-32-oz-with-screw-cap-ea-6-pk-or-24-cs-dynalon-labware-301625-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4042-46_85912416-8118-4bd7-bcdd-4c58e7769778.png?v=1784696491</image:loc>
      <image:title>Bottle, Wide-Mouth, Polypropylene, 32 oz., with Screw Cap, EA, 6/PK or 24/CS, Dynalon Labware, 301625-0032</image:title>
      <image:caption>Bottle, Wide-Mouth, Polypropylene, 32 oz., with Screw Cap, EA, 6/PK or 24/CS, Dynalon Labware, 301625-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-fluorinated-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-screw-closure-125-ml-ea-12-pk-or-72-cs-thermo-scientific-2197-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-22_d4f98aed-a123-4df1-ab21-d58325e46036.png?v=1784696492</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2197-0004</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2197-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-fluorinated-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-screw-closure-250-ml-ea-12-pk-72-cs-thermo-scientific-2197-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-28_f160d927-89b4-4e5c-bcb0-14eb42cb441c.png?v=1784696494</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 250 mL, EA, 12/PK, 72/CS, Thermo Scientific, 2197-0008</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 250 mL, EA, 12/PK, 72/CS, Thermo Scientific, 2197-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-fluorinated-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-screw-closure-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2197-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-35_767a8484-d678-4d2a-bf11-6083e6d3c2f5.png?v=1784696495</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2197-0016</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2197-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-fluorinated-wide-mouth-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-screw-cap-1000-ml-32-oz-ea-6-pk-or-24-cs-thermo-scientific-2197-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-46_f92f2427-90f9-40ca-83d7-7de2491a336f.png?v=1784696497</image:loc>
      <image:title>Nalgene Bottle, Fluorinated Wide-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Cap, 1000 mL/32 oz., EA, 6/PK, or 24/CS, Thermo Scientific, 2197-0032</image:title>
      <image:caption>Nalgene Bottle, Fluorinated Wide-Mouth High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Cap, 1000 mL/32 oz., EA, 6/PK, or 24/CS, Thermo Scientific, 2197-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-round-wide-mouth-polymethylpentene-pmp-with-polypropylene-pp-cap-1-l-ea-4-pk-or-16-cs-thermo-scientific-2107-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4047-46_66e5280e-cca6-4203-8b6b-b1d6682d6d21.png?v=1784696498</image:loc>
      <image:title>Nalgene Bottle, Round, Wide-Mouth Polymethylpentene (PMP) with Polypropylene (PP) Cap, 1 L, EA, 4/PK or 16/CS, Thermo Scientific, 2107-0032</image:title>
      <image:caption>Nalgene Bottle, Round, Wide-Mouth Polymethylpentene (PMP) with Polypropylene (PP) Cap, 1 L, EA, 4/PK or 16/CS, Thermo Scientific, 2107-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-low-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-100-ml-ea-or-12-pk-bel-art-products-f10906-0100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-67_2f5847b0-000b-45d2-b496-41716acf8d3a.png?v=1784696501</image:loc>
      <image:title>Bottle, Wide-Mouth, Low-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 100 mL, EA or 12/PK, Bel-Art Products, F10906-0100</image:title>
      <image:caption>Bottle, Wide-Mouth, Low-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 100 mL, EA or 12/PK, Bel-Art Products, F10906-0100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-low-density-polyethylene-ldpe-with-heavy-duty-polypropylene-pp-screw-cap-closure-500-ml-16-oz-6-pk-bel-art-products-f10906-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-81_23cff1b0-71af-45af-9f4c-779a07a0b4c0.png?v=1784696506</image:loc>
      <image:title>Bottle, Wide-mouth, Low-density Polyethylene (LDPE) with Heavy-Duty Polypropylene (PP) Screw-cap Closure, 500 mL (16 oz.), 6/PK, Bel Art Products, F10906-0500</image:title>
      <image:caption>Bottle, Wide-mouth, Low-density Polyethylene (LDPE) with Heavy-Duty Polypropylene (PP) Screw-cap Closure, 500 mL (16 oz.), 6/PK, Bel Art Products, F10906-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-1000-ml-bel-art-products-f10906-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-86_cb16c5a8-fda5-4a0c-8ebc-e58947d1ae93.png?v=1784696507</image:loc>
      <image:title>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Bel-Art Products, F10906-1000</image:title>
      <image:caption>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 1000 mL, Bel-Art Products, F10906-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-1500-ml-bel-art-products-f10906-1500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-87_e0c5280e-bdef-4210-a250-3b328a366365.png?v=1784696509</image:loc>
      <image:title>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 1500 mL, Bel-Art Products, F10906-1500</image:title>
      <image:caption>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 1500 mL, Bel-Art Products, F10906-1500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-2000-ml-bel-art-products-f10906-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-88.png?v=1784696511</image:loc>
      <image:title>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 2000 mL, Bel-Art Products, F10906-2000</image:title>
      <image:caption>Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 2000 mL, Bel-Art Products, F10906-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-octagonal-wide-mouth-high-density-polyethylene-hdpe-with-heavy-duty-polypropylene-pp-screw-cap-closure-5000-ml-bel-art-products-f10906-5000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-92_09059766-6651-4f78-9dae-0036e0b1c33a.png?v=1784696512</image:loc>
      <image:title>Bottle, Octagonal, Wide-mouth, High-density Polyethylene (HDPE) with Heavy-duty Polypropylene (PP) Screw-cap Closure, 5000 mL, Bel Art Products, F10906-5000</image:title>
      <image:caption>Bottle, Octagonal, Wide-mouth, High-density Polyethylene (HDPE) with Heavy-duty Polypropylene (PP) Screw-cap Closure, 5000 mL, Bel Art Products, F10906-5000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-wide-mouth-fluorinated-high-density-polyethylene-hdpe-with-fluorinated-polypropylene-pp-screw-closure-2-l-thermo-scientific-2124-0005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4054-01_d47baf34-df17-4c00-a61f-2a1d3f6aca9e.png?v=1784696516</image:loc>
      <image:title>Nalgene Bottle, Large Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 2 L, Thermo Scientific, 2124-0005</image:title>
      <image:caption>Nalgene Bottle, Large Wide-Mouth Fluorinated High-Density Polyethylene (HDPE) with Fluorinated Polypropylene (PP) Screw Closure, 2 L, Thermo Scientific, 2124-0005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-4-l-thermo-scientific-2120-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4055-71_9b03b72a-61e5-4fd3-8102-34d743fa9456.png?v=1784696518</image:loc>
      <image:title>Nalgene Bottle, Large Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 4 L, Thermo Scientific, 2120-0010</image:title>
      <image:caption>Nalgene Bottle, Large Wide-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 4 L, Thermo Scientific, 2120-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-large-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-screw-closure-4l-thermo-scientific-2121-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4056-08_c3c71075-e665-47b9-91ca-4f98653ca3a1.png?v=1784696519</image:loc>
      <image:title>Nalgene Bottle, Large Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP)  Screw Closure, 4L, Thermo Scientific, 2121-0010</image:title>
      <image:caption>Nalgene Bottle, Large Wide-Mouth Polypropylene Copolymer (PPCO) with Polypropylene (PP)  Screw Closure, 4L, Thermo Scientific, 2121-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-lab-quality-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-cap-1-oz-30-ml-12-pk-or-72-cs-thermo-scientific-2106-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-12_1ac41699-ed15-4376-b830-ccd8483e4645.png?v=1784696520</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 1 oz / 30 mL, 12/PK or 72/CS, Thermo Scientific, 2106-0001</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 1 oz / 30 mL, 12/PK or 72/CS, Thermo Scientific, 2106-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-lab-quality-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-cap-4-oz-125-ml-ea-12-pk-or-72-cs-thermo-scientific-2106-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-22_44789210-d989-4811-b1e0-8b89ce6d5ef5.png?v=1784696522</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 4 oz / 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2106-0004</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 4 oz / 125 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2106-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-lab-quality-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-cap-8-oz-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2106-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-28_64980072-e258-4979-9896-a34b8f8ef2ec.png?v=1784696524</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 8 oz / 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2106-0008</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 8 oz / 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2106-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-lab-quality-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-cap-16-oz-500-ml-ea-12-pk-or-48-cs-thermo-scientific-2106-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-35_1d490af4-fa97-4995-9667-14a276f1f17b.png?v=1784696525</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 16 oz / 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2106-0016</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 16 oz / 500 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2106-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-lab-quality-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-cap-32-oz-1000-ml-ea-6-pk-or-24-cs-thermo-scientific-2106-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-46_3f753cf7-afbc-4e91-b462-4b615be0982e.png?v=1784696527</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 32 oz / 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2106-0032</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Lab Quality Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Cap, 32 oz / 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2106-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-30-ml-2103-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-01_618ff20a-e57e-43b4-91bd-1535b820d03a.png?v=1784696529</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 30 mL, 2103-0001</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 30 mL, 2103-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-cap-60-ml-2-oz-thermo-scientific-2103-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-02_33684a26-99d9-47ab-826e-4b08bd56adb8.png?v=1784696530</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Cap, 60 mL / 2 oz, Thermo Scientific, 2103-0002</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Cap, 60 mL / 2 oz, Thermo Scientific, 2103-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-125-ml-thermo-scientific-2103-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-03_aea3d67a-7a83-42a5-af69-412ec0ee4e22.png?v=1784696532</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2103-0004</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 125 mL, Thermo Scientific, 2103-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-250-ml-thermo-scientific-2103-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-04_8e363948-ccca-4dc4-9b9c-eb0cce8e5468.png?v=1784696533</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 250 mL, Thermo Scientific, 2103-0008</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure, 250 mL, Thermo Scientific, 2103-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-closure-500-ml-thermo-scientific-2103-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-05_6342b562-926d-4ad3-b942-44c7ab1e6f07.png?v=1784696534</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, 500 mL, Thermo Scientific, 2103-0016</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, 500 mL, Thermo Scientific, 2103-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-closure-1000-ml-thermo-scientific-2103-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-06.png?v=1784696536</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, 1000 mL, Thermo Scientific, 2103-0032</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Closure, 1000 mL, Thermo Scientific, 2103-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packer-wide-mouth-round-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-125-ml-72-pk-thermo-scientific-ds2185-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-22_c8ef8a32-2efd-408e-b421-dc0ac4dbd815.png?v=1784696538</image:loc>
      <image:title>Nalgene Bottle, Packer, Wide-Mouth, Round, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 125 mL, 72/PK, Thermo Scientific, DS2185-0004</image:title>
      <image:caption>Nalgene Bottle, Packer, Wide-Mouth, Round, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, 125 mL, 72/PK, Thermo Scientific, DS2185-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-packer-opaque-amber-high-density-polyethylene-hdpe-with-amber-polypropylene-pp-closure-bulk-pack-125-ml-500-cs-thermo-scientific-312185-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-22B_d7f62f38-9ac6-4e25-a503-3195a948a1eb.png?v=1784696539</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, Packer, Opaque Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Closure, Bulk Pack, 125 mL, 500/CS, Thermo Scientific, 312185-0004</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, Packer, Opaque Amber High-Density Polyethylene (HDPE) with Amber Polypropylene (PP) Closure, Bulk Pack, 125 mL, 500/CS, Thermo Scientific, 312185-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-packer-wide-mouth-round-opaque-amber-high-density-polyethylene-hdpe-with-opaque-amber-polypropylene-pp-cap-bulk-500-ml-125-cs-thermo-scientific-312185-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-35B_87801dab-ede2-4200-9675-08ec6d13bb6d.png?v=1784696544</image:loc>
      <image:title>Nalgene Bottle, Packer, Wide-Mouth, Round, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, Bulk, 500 mL, 125/CS, Thermo Scientific, 312185-0016</image:title>
      <image:caption>Nalgene Bottle, Packer, Wide-Mouth, Round, Opaque Amber High-Density Polyethylene (HDPE) with Opaque Amber Polypropylene (PP) Cap, Bulk, 500 mL, 125/CS, Thermo Scientific, 312185-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-wide-mouth-autoclavable-polypropylene-pp-with-polypropylene-pp-closure-and-molded-handles-10-l-thermo-scientific-2235-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4061-17_581c3993-4686-4a8f-86d5-c73e9540df17.png?v=1784696548</image:loc>
      <image:title>Nalgene Carboy, Wide-Mouth Autoclavable Polypropylene (PP) with Polypropylene (PP) Closure and Molded Handles, 10 L, Thermo Scientific, 2235-0020</image:title>
      <image:caption>Nalgene Carboy, Wide-Mouth Autoclavable Polypropylene (PP) with Polypropylene (PP) Closure and Molded Handles, 10 L, Thermo Scientific, 2235-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-wide-mouth-autoclavable-polypropylene-pp-with-polypropylene-pp-closure-and-molded-handles-20-l-thermo-scientific-2235-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4061-23_369bc4a1-4cd8-4f5b-b327-99e1fc5615ea.png?v=1784696550</image:loc>
      <image:title>Nalgene Carboy, Wide-Mouth Autoclavable Polypropylene (PP) with Polypropylene (PP) Closure and Molded Handles, 20 L, Thermo Scientific, 2235-0050</image:title>
      <image:caption>Nalgene Carboy, Wide-Mouth Autoclavable Polypropylene (PP) with Polypropylene (PP) Closure and Molded Handles, 20 L, Thermo Scientific, 2235-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-ip2-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-125-ml-ea-12-pk-or-72-cs-thermo-scientific-2199-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-22_1cd10f5c-856f-4acc-9c81-84ad1f73f7b4.png?v=1784696551</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth IP2, High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK, or 72/CS, Thermo Scientific, 2199-0004</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth IP2, High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK, or 72/CS, Thermo Scientific, 2199-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-ip2-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-250-ml-ea-12-pk-or-72-cs-thermo-scientific-2199-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-28_fc0b6338-ba31-44ac-b92d-d3b2a6c436a8.png?v=1784696553</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth, IP2, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2199-0008</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth, IP2, High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 250 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2199-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-ip2-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-500-ml-ea-12-pk-or-48-cs-2199-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-35_669c06ba-e4f4-42e3-b1ce-e9d0846813dc.png?v=1784696555</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth IP2 High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 500 mL, EA, 12/PK or 48/CS, 2199-0016</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth IP2 High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 500 mL, EA, 12/PK or 48/CS, 2199-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-wide-mouth-ip2-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-closure-1000-ml-ea-6-pk-or-24-cs-thermo-scientific-2199-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-46_56d8e8b3-79a9-4f9a-bf85-07c915dc3f5b.png?v=1784696556</image:loc>
      <image:title>Nalgene Bottle, Wide-Mouth IP2 High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2199-0032</image:title>
      <image:caption>Nalgene Bottle, Wide-Mouth IP2 High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Closure, 1000 mL, EA, 6/PK or 24/CS, Thermo Scientific, 2199-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-polyethylene-pe-chemical-container-with-screw-cap-10-ml-bel-art-products-h17871-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4065-28.png?v=1784696557</image:loc>
      <image:title>Bottle, Wide-mouth, Polyethylene (PE) Chemical Container with Screw Cap, 10 mL, Bel Art Products, H17871-0000</image:title>
      <image:caption>Bottle, Wide-mouth, Polyethylene (PE) Chemical Container with Screw Cap, 10 mL, Bel Art Products, H17871-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-polyethylene-pe-chemical-container-with-screw-cap-180-ml-bel-art-products-h17876-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4065-76_7eef7bf0-08c1-4334-9cb0-bdb5dab93481.png?v=1784696559</image:loc>
      <image:title>Bottle, Wide-mouth, Polyethylene (PE) Chemical Container with Screw Cap, 180 mL, Bel Art Products, H17876-0000</image:title>
      <image:caption>Bottle, Wide-mouth, Polyethylene (PE) Chemical Container with Screw Cap, 180 mL, Bel Art Products, H17876-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-jar-wide-mouth-polycarbonate-pc-with-polypropylene-pp-screw-cap-250-ml-4-pk-or-24-cs-thermo-scientific-2116-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4066-78_ea4db51e-5123-46da-9be4-ed2900b09901.png?v=1784696560</image:loc>
      <image:title>Nalgene Jar, Wide-Mouth, Polycarbonate (PC) with Polypropylene (PP) Screw Cap, 250 mL, 4/PK or 24/CS, Thermo Scientific, 2116-0250</image:title>
      <image:caption>Nalgene Jar, Wide-Mouth, Polycarbonate (PC) with Polypropylene (PP) Screw Cap, 250 mL, 4/PK or 24/CS, Thermo Scientific, 2116-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jar-white-polypropylene-pp-with-screw-cap-250-ml-12-pk-bel-art-products-h17911-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4067-26_2a09e9e8-8144-4167-b92c-70126755f7eb.png?v=1784696563</image:loc>
      <image:title>Jar, White Polypropylene (PP) with Screw Cap, 250 mL, 12/PK, Bel-Art Products, H17911-0000</image:title>
      <image:caption>Jar, White Polypropylene (PP) with Screw Cap, 250 mL, 12/PK, Bel-Art Products, H17911-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jar-catch-or-specimen-8-oz-soda-lime-glass-wide-mouth-unspjr08</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4071-26_b11aff5b-5e52-482c-9ba8-d2af0e59c0da.png?v=1784696564</image:loc>
      <image:title>Jar, Catch or Specimen, 8 oz, Soda Lime Glass, Wide Mouth, UNSPJR08</image:title>
      <image:caption>Jar, Catch or Specimen, 8 oz, Soda Lime Glass, Wide Mouth, UNSPJR08</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-jar-straight-side-wide-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-screw-closure-30-ml-12-pk-or-72-cs-thermo-scientific-2118-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4074-51_9c8917fa-5d28-4e05-a43b-c41b598c32db.png?v=1784696567</image:loc>
      <image:title>Nalgene Jar, Straight-Side, Wide-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Screw Closure, 30 mL, 12/PK or 72/CS, Thermo Scientific,  2118-0001</image:title>
      <image:caption>Nalgene Jar, Straight-Side, Wide-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Screw Closure, 30 mL, 12/PK or 72/CS, Thermo Scientific,  2118-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-jar-straight-side-wide-mouth-polypropylene-copolymer-ppco-with-white-polypropylene-pp-screw-closure-125-ml-ea-12-pk-or-36-cs-2118-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4074-71_f063f026-4ea9-4cff-9adb-97964fa6de0d.png?v=1784696569</image:loc>
      <image:title>Nalgene Jar, Straight-Side, Wide-Mouth, Polypropylene Copolymer (PPCO) with White Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 36/CS, 2118-0004</image:title>
      <image:caption>Nalgene Jar, Straight-Side, Wide-Mouth, Polypropylene Copolymer (PPCO) with White Polypropylene (PP) Screw Closure, 125 mL, EA, 12/PK or 36/CS, 2118-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-closure-polyproyplene-pp-38-mm-thermo-scientific-712150-0380</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4075-06_18b3657d-1da2-46b9-a818-63d9227807d8.png?v=1784696572</image:loc>
      <image:title>Nalgene Closure, Polyproyplene (PP), 38 mm, Thermo Scientific, 712150-0380</image:title>
      <image:caption>Nalgene Closure, Polyproyplene (PP), 38 mm, Thermo Scientific, 712150-0380</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-closure-polypropylene-pp-43-mm-thermo-scientific-712150-0430</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4075-07.png?v=1784696573</image:loc>
      <image:title>Nalgene Closure, Polypropylene (PP), 43 mm, Thermo Scientific,  712150-0430</image:title>
      <image:caption>Nalgene Closure, Polypropylene (PP), 43 mm, Thermo Scientific,  712150-0430</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/jar-polystyrene-ps-with-white-polypropylene-pp-screw-closure-dynalon-labware-421245</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4076-46_9b522a7b-c60c-43be-9879-64a68fe19606.png?v=1784696585</image:loc>
      <image:title>Jar, Polystyrene (PS) with White Polypropylene (PP) Screw Closure, 32 oz / 1000 mL, Dynalon Labware, 421245</image:title>
      <image:caption>Jar, Polystyrene (PS) with White Polypropylene (PP) Screw Closure, 32 oz / 1000 mL, Dynalon Labware, 421245</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-screw-cap-polypropylene-pp-replacement-for-nalgene-carboy-size-83b-2-pk-thermo-scientific-712160-0830</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4077-03_a448ffb0-4147-4166-ab9c-64e8b31f263f.png?v=1784696587</image:loc>
      <image:title>Nalgene Screw Cap, Polypropylene (PP), Replacement for Nalgene Carboy, Size 83B, 2/PK, Thermo Scientific, 712160-0830</image:title>
      <image:caption>Nalgene Screw Cap, Polypropylene (PP), Replacement for Nalgene Carboy, Size 83B, 2/PK, Thermo Scientific, 712160-0830</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-solution-bottle-with-tooled-neck-9-5-l-2-5-gallon-corning-1595-2x</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4231-19_da8163e4-4603-4f7b-942f-e97922ad05c4.png?v=1784696588</image:loc>
      <image:title>PYREX Solution Bottle with Tooled Neck, 9.5 L / 2.5 gallon, Corning, 1595-2X</image:title>
      <image:caption>PYREX Solution Bottle with Tooled Neck, 9.5 L / 2.5 gallon, Corning, 1595-2X</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-solution-bottle-with-tooled-neck-19-l-5-gallon-corning-1595-5</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4231-23_e90e1319-7d33-4024-a97a-67f394efc1c7.png?v=1784696591</image:loc>
      <image:title>PYREX Solution Bottle with Tooled Neck, 19 L / 5 gallon, Corning, 1595-5</image:title>
      <image:caption>PYREX Solution Bottle with Tooled Neck, 19 L / 5 gallon, Corning, 1595-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/mailer-5-1-2-x-2-1-2-in-12-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4240-45_df7d81c3-82ab-447c-84bf-100b5443f7bf.png?v=1784696594</image:loc>
      <image:title>Mailer 5-1/2 x 2-1/2 in., 12/PK, 16465-058</image:title>
      <image:caption>Mailer 5-1/2 x 2-1/2 in., 12/PK, 16465-058</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-125-ml-ea-72-pk-or-500-cs-thermo-scientific-2089-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-22_1a4557ff-d3ec-40ae-9369-a9a2a816dfe9.png?v=1784696597</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 125 mL, EA, 72/PK or 500/CS, Thermo Scientific, 2089-0004</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 125 mL, EA, 72/PK or 500/CS, Thermo Scientific, 2089-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-cap-500-ml-ea-or-48-cs-thermo-scientific-2089-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-35_08936699-71ed-4e82-b43e-572923de9e74.png?v=1784696600</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 500 mL, EA or 48/CS, Thermo Scientific, 2089-0016</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap, 500 mL, EA or 48/CS, Thermo Scientific, 2089-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-narrow-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-screw-cap-1-l-ea-24-pk-or-50-cs-thermo-scientific-332089-0032</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-46_3e6eaf66-a6d9-4822-a542-bf4d0023a7c7.png?v=1784696602</image:loc>
      <image:title>Nalgene Bottle, Narrow-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, 1 L, EA, 24/PK or 50/CS, Thermo Scientific, 332089-0032</image:title>
      <image:caption>Nalgene Bottle, Narrow-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Screw Cap, 1 L, EA, 24/PK or 50/CS, Thermo Scientific, 332089-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-round-media-storage-with-gl45-screw-cap-100-ml-10-cs-corning-1395-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-05_2cac32c1-716b-433a-93f1-9b94367d1a52.png?v=1784696603</image:loc>
      <image:title>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 100 mL, 10/CS, Corning 1395-100</image:title>
      <image:caption>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 100 mL, 10/CS, Corning 1395-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-round-media-storage-with-gl45-screw-cap-250-ml-10-cs-corning-1395-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-10_cf397ce3-0817-4459-9f9d-60524485535c.png?v=1784696605</image:loc>
      <image:title>PYREX Bottle, Round Media Storage,with GL45 Screw Cap, 250 mL, 10/CS, Corning 1395-250</image:title>
      <image:caption>PYREX Bottle, Round Media Storage,with GL45 Screw Cap, 250 mL, 10/CS, Corning 1395-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-round-media-storage-with-gl45-screw-cap-500-ml-10-cs-corning-1395-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-15_b7189bec-8ded-4042-9064-cce4464169e0.png?v=1784696606</image:loc>
      <image:title>PYREX Bottle, Round Media Storage with GL45 Screw Cap, 500 mL, 10/CS, Corning 1395-500</image:title>
      <image:caption>PYREX Bottle, Round Media Storage with GL45 Screw Cap, 500 mL, 10/CS, Corning 1395-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-round-media-storage-with-gl45-screw-cap-1000-ml-ea-or-10-cs-corning-1395-1l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-20_46a5fa6f-25c5-49d6-875c-0c747b7de2b7.png?v=1784696607</image:loc>
      <image:title>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 1000 mL, EA or 10/CS, Corning 1395-1L</image:title>
      <image:caption>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 1000 mL, EA or 10/CS, Corning 1395-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-round-media-storage-with-gl45-screw-cap-10-l-1-cs-corning-1395-10l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-35_a589b841-80e4-432a-98d0-957253c7099d.png?v=1784696609</image:loc>
      <image:title>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 10 L, 1/CS, Corning 1395-10L</image:title>
      <image:caption>PYREX Bottle, Round Media Storage, with GL45 Screw Cap, 10 L, 1/CS, Corning 1395-10L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-2-oz-boston-round-amber-glass-without-cap-20-mm-neck</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4263-17_66cf9742-2876-4127-a139-902b8b018f27.png?v=1784696611</image:loc>
      <image:title>Bottle 2  oz. Boston Round Amber Glass without Cap (20 mm Neck)</image:title>
      <image:caption>Bottle 2  oz. Boston Round Amber Glass without Cap (20 mm Neck)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-boston-round-amber-32-oz-without-cap-8-1-4-in-tall-x-3-5-8-in-diameter</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4263-46_ee7740b9-60ba-489f-b1cc-bc50f4becf16.png?v=1784696612</image:loc>
      <image:title>Bottle, Glass Boston Round, Amber, 32 oz.. without  Cap, 8-1/4 in. Tall x 3-5/8 in. Diameter, Cincinnati Container, 10032AC</image:title>
      <image:caption>Bottle, Glass Boston Round, Amber, 32 oz.. without  Cap, 8-1/4 in. Tall x 3-5/8 in. Diameter, Cincinnati Container, 10032AC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-hitemp-red-polybutylene-terephthalate-pbt-gl45-mm-10-cs-corning-1395-45htc</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4269-01_948b7372-e73d-48dd-bc1c-3ef843483079.png?v=1784696614</image:loc>
      <image:title>Cap, HiTemp Red, Polybutylene Terephthalate (PBT), GL45 mm, 10/CS, Corning, 1395-45HTC</image:title>
      <image:caption>Cap, HiTemp Red, Polybutylene Terephthalate (PBT), GL45 mm, 10/CS, Corning, 1395-45HTC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pouring-ring-red-high-temperature-180-degrees-c-ethylene-tetrafluoroethylene-etfe-for-media-bottles-gl45-finish-50-cs-corning-1395-45htr</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4269-05_d4b8e9ba-5b84-4fb1-90f1-6d2c744fe4e9.png?v=1784696615</image:loc>
      <image:title>Pouring Ring, Red High Temperature (180 degrees C) Ethylene Tetrafluoroethylene (ETFE) for Media Bottles, GL45 Finish, 50/CS, Corning, 1395-45HTR</image:title>
      <image:caption>Pouring Ring, Red High Temperature (180 degrees C) Ethylene Tetrafluoroethylene (ETFE) for Media Bottles, GL45 Finish, 50/CS, Corning, 1395-45HTR</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-narrow-mouth-clear-glass-boston-round-32-oz-with-cap-pre-cleaned-to-epa-standards-12-cs-qec-2111-003212</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4272-86.png?v=1784696618</image:loc>
      <image:title>Bottle, Narrow Mouth, Clear Glass, Boston Round, 32 oz. with PTFE-Lined Polypropylene Cap, Level 2 Pre-Cleaned to EPA Standards, 12/CS, QEC 2111-003212</image:title>
      <image:caption>Bottle, Narrow Mouth, Clear Glass, Boston Round, 32 oz. with PTFE-Lined Polypropylene Cap, Level 2 Pre-Cleaned to EPA Standards, 12/CS, QEC 2111-003212</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-narrow-mouth-clear-jug-with-finger-ring-1-2-gal-38-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4274-10_1fbb7ab2-c655-4b42-8512-ae3ab0313d06.png?v=1784696620</image:loc>
      <image:title>Bottle, Narrow Mouth Clear Jug, with Finger-Ring, 1/2 Gal. (38-400 Cap Required)</image:title>
      <image:caption>Bottle, Narrow Mouth Clear Jug, with Finger-Ring, 1/2 Gal. (38-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-bottle-amber-1-gal-without-cap-38-mm-neck</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4277-12_ddca190f-08d8-4087-b621-1e5a9565caa3.png?v=1784696621</image:loc>
      <image:title>Glass Bottle, Amber, 1 gal. without Cap (38 mm Neck)</image:title>
      <image:caption>Glass Bottle, Amber, 1 gal. without Cap (38 mm Neck)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-clear-glass-level-1-4-oz-with-cap-24-cs-qec-1111-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4281-71_aa0ea554-0d20-4e5d-b1fd-04890a488d93.png?v=1784696622</image:loc>
      <image:title>Bottle, Boston Round, Narrow-Mouth, Clear Glass, Level 1, 4 oz. with Cap, 24/CS, Quality Environmental Containers, 1111-0004</image:title>
      <image:caption>Bottle, Boston Round, Narrow-Mouth, Clear Glass, Level 1, 4 oz. with Cap, 24/CS, Quality Environmental Containers, 1111-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-clear-glass-level-1-8-oz-with-cap-24-cs-qec-1111-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4281-78_c4b598e1-abbc-4437-8529-47e1d8ceeee3.png?v=1784696624</image:loc>
      <image:title>Bottle, Boston Round, Narrow-Mouth, Clear Glass, Level 1, 8 oz. with Cap, 24/CS, Quality Environmental Containers, 1111-0008</image:title>
      <image:caption>Bottle, Boston Round, Narrow-Mouth, Clear Glass, Level 1, 8 oz. with Cap, 24/CS, Quality Environmental Containers, 1111-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/amber-glass-round-packers-wide-mouth-1-oz-30-ml-without-caps-cincinnati-container-10530ac</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-01_85332cf7-a1bc-4acd-9bff-9c4bea0d1978.png?v=1784696626</image:loc>
      <image:title>Amber Glass Round Packers, Wide-Mouth, 1 oz / 30 mL, without Caps, Cincinnati Container, 10530AC</image:title>
      <image:caption>Amber Glass Round Packers, Wide-Mouth, 1 oz / 30 mL, without Caps, Cincinnati Container, 10530AC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-amber-packer-2-oz-60-ml-33-400-cap-required-ea-or-216-cs-cincinnati-container-10560ac1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-02.png?v=1784696627</image:loc>
      <image:title>Bottle, Wide Mouth, Amber Packer, 2 oz./60 mL (33-400 Cap required), EA or 216/CS, Cincinnati Container, 10560AC1</image:title>
      <image:caption>Bottle, Wide Mouth, Amber Packer, 2 oz./60 mL (33-400 Cap required), EA or 216/CS, Cincinnati Container, 10560AC1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-amber-glass-4-oz-120-ml-without-cap-38-400-neck-finish-ea-or-180-cs-cincinnati-container-105120ac</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-03_604bc2dd-7366-4012-b2a3-7a3b82ae671e.png?v=1784696628</image:loc>
      <image:title>Bottle, Wide-Mouth, Amber Glass, 4 oz. (120 mL), without Cap, 38-400 Neck Finish, EA or 180/CS, Cincinnati Container, 105120AC</image:title>
      <image:caption>Bottle, Wide-Mouth, Amber Glass, 4 oz. (120 mL), without Cap, 38-400 Neck Finish, EA or 180/CS, Cincinnati Container, 105120AC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/amber-glass-round-packers-wide-mouth-2-oz-60-ml-without-caps-216-cs-cincinnati-container-10560ac1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-04.png?v=1784696630</image:loc>
      <image:title>Amber Glass Round Packers, Wide-Mouth, 2 oz / 60 mL, without Caps, 216/CS, Cincinnati Container, 10560AC1</image:title>
      <image:caption>Amber Glass Round Packers, Wide-Mouth, 2 oz / 60 mL, without Caps, 216/CS, Cincinnati Container, 10560AC1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-amber-glass-round-without-cap-gcmi-thread-53-400-32-oz</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-10_0614cebc-ce0a-467a-9242-c25113948f65.png?v=1784696631</image:loc>
      <image:title>Bottle, Wide Mouth, Amber Glass, Round, without  Cap, GCMI Thread 53-400, 32 oz.</image:title>
      <image:caption>Bottle, Wide Mouth, Amber Glass, Round, without  Cap, GCMI Thread 53-400, 32 oz.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-wide-mouth-type-iii-amber-packer-1-oz-black-phenolic-cap-with-polyethylene-cone-24-cs-dwk-w216951</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-13.png?v=1784696633</image:loc>
      <image:title>Wheaton Wide Mouth Type III Amber Packer, 1 oz, Black Phenolic Cap with Polyethylene Cone, 24/CS, DWK, W216951</image:title>
      <image:caption>Wheaton Wide Mouth Type III Amber Packer, 1 oz, Black Phenolic Cap with Polyethylene Cone, 24/CS, DWK, W216951</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-clear-glass-graduated-medium-round-with-black-phenolic-pulp-vinyl-lined-cap-2-oz-48-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4297-17.png?v=1784696634</image:loc>
      <image:title>Bottle, Clear Glass Graduated Medium Round with Black Phenolic Pulp/Vinyl Lined Cap, 2 oz., 48/CS</image:title>
      <image:caption>Bottle, Clear Glass Graduated Medium Round with Black Phenolic Pulp/Vinyl Lined Cap, 2 oz., 48/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-flint-glass-4-oz-wide-mouth-round-with-48-400-black-phenolic-pulp-vinyl-cap-24-cs-berlin-packaging-llc-glc-01523</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4297-22_a5d29eca-549f-4436-8233-7323ef5c87fd.png?v=1784696635</image:loc>
      <image:title>Qorpak Bottle, Flint Glass, 4 oz. Wide Mouth Round with 48-400 Black Phenolic Pulp/Vinyl Cap, 24/CS, Berlin Packaging LLC, GLC-01523</image:title>
      <image:caption>Qorpak Bottle, Flint Glass, 4 oz. Wide Mouth Round with 48-400 Black Phenolic Pulp/Vinyl Cap, 24/CS, Berlin Packaging LLC, GLC-01523</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-8-oz-epa-clean-wide-mouth-round-with-teflon-lined-polypropylene-cap</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4300-26_b39ff8c2-61ae-4c98-87a1-72ea3dbe14fc.png?v=1784696637</image:loc>
      <image:title>Bottle, 8 oz., EPA clean, Wide-Mouth, Round, with Teflon-lined Polypropylene Cap</image:title>
      <image:caption>Bottle, 8 oz., EPA clean, Wide-Mouth, Round, with Teflon-lined Polypropylene Cap</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-epa-clean-round-clear-glass-with-polypropylene-screw-cap-gpi-thread-89-400-16-oz-12-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4303-35_6f4c25b3-f2d7-4fc2-aa6e-0b3a95739077.png?v=1784696638</image:loc>
      <image:title>Bottle, Wide Mouth, EPA Clean, Round, Clear Glass, with Polypropylene Screw Cap, GPI Thread 89-400, 16 oz. 12/CS</image:title>
      <image:caption>Bottle, Wide Mouth, EPA Clean, Round, Clear Glass, with Polypropylene Screw Cap, GPI Thread 89-400, 16 oz. 12/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-1-oz-30-ml-24-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-12.png?v=1784696640</image:loc>
      <image:title>Bottle, Wide Mouth, Square, Flint Glass, 1 oz./30 mL (24-400 Cap Required)</image:title>
      <image:caption>Bottle, Wide Mouth, Square, Flint Glass, 1 oz./30 mL (24-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-2-oz-60-ml-28-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-17.png?v=1784696641</image:loc>
      <image:title>Bottle, Extra Wide Mouth, Square, Flint Glass, 2 oz./60 mL (28-400 Cap Required)</image:title>
      <image:caption>Bottle, Extra Wide Mouth, Square, Flint Glass, 2 oz./60 mL (28-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-4-oz-120-ml-33-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-22_f3901300-44f3-4aac-a283-9c59c4b78c4d.png?v=1784696643</image:loc>
      <image:title>Bottle, Extra Wide Mouth, Square, Flint Glass, 4 oz./120 mL (33-400 Cap Required)</image:title>
      <image:caption>Bottle, Extra Wide Mouth, Square, Flint Glass, 4 oz./120 mL (33-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-8-oz-250-ml-43-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-26_e02eee0d-ed29-439a-81ef-681ac05d6244.png?v=1784696644</image:loc>
      <image:title>Bottle, Extra Wide Mouth, Square, Flint Glass, 8 oz./250 mL (43-400 Cap Required)</image:title>
      <image:caption>Bottle, Extra Wide Mouth, Square, Flint Glass, 8 oz./250 mL (43-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-16-oz-500-ml-48-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-35_42a8fcf7-d6c5-41f7-aea3-3e07d256e2ca.png?v=1784696646</image:loc>
      <image:title>Bottle, Extra Wide Mouth, Square, Flint Glass, 16 oz./500 mL (48-400 Cap Required)</image:title>
      <image:caption>Bottle, Extra Wide Mouth, Square, Flint Glass, 16 oz./500 mL (48-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-x-wide-mouth-square-vacuum-and-ionization-treated-16-oz-500-ml-with-48-mm-polyethylene-lined-cap</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-36_3c5d0377-a97b-47c1-bcaa-6fdff015c014.png?v=1784696647</image:loc>
      <image:title>Bottle, X-Wide-Mouth, Square, Vacuum and Ionization Treated, 16 oz./500 mL, with 48 mm Polyethylene Lined Cap</image:title>
      <image:caption>Bottle, X-Wide-Mouth, Square, Vacuum and Ionization Treated, 16 oz./500 mL, with 48 mm Polyethylene Lined Cap</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-extra-wide-mouth-square-flint-glass-32-oz-1000-ml-58-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-46_2adce882-ba10-4ee8-833a-dc5f933bf371.png?v=1784696649</image:loc>
      <image:title>Bottle, Extra Wide Mouth, Square, Flint Glass, 32 oz./1000 mL (58-400 Cap Required)</image:title>
      <image:caption>Bottle, Extra Wide Mouth, Square, Flint Glass, 32 oz./1000 mL (58-400 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-x-wide-mouth-square-vacuum-and-ionization-treated-32-oz-1000-ml-with-48-mm-polyethylene-lined-cap</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-47_9c8fc2ba-185c-40f0-bdb3-cd06d417f0fe.png?v=1784696650</image:loc>
      <image:title>Bottle, X-Wide-Mouth, Square, Vacuum and Ionization Treated, 32 oz./1000 mL, with 48 mm Polyethylene Lined Cap</image:title>
      <image:caption>Bottle, X-Wide-Mouth, Square, Vacuum and Ionization Treated, 32 oz./1000 mL, with 48 mm Polyethylene Lined Cap</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/phenolic-cap-18-400-mm-with-vinyl-liner</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-15_f938c15b-e0de-43cb-b842-1928e3195b40.png?v=1784696651</image:loc>
      <image:title>Phenolic Cap, 18-400 mm with Pulp/Vinyl Liner, Cincinnati Container, 50018PV</image:title>
      <image:caption>Phenolic Cap, 18-400 mm with Pulp/Vinyl Liner, Cincinnati Container, 50018PV</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-plastic-with-polyvinyl-liner-33-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-39.png?v=1784696653</image:loc>
      <image:title>Cap, Plastic with Polyvinyl Liner, 33-400</image:title>
      <image:caption>Cap, Plastic with Polyvinyl Liner, 33-400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-black-phenol-with-polyvinyl-faced-pulpboard-liner-38-mm-38-400-thread-12-pk-2160-cs-cincinnati-container-co-50038pv-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-43.png?v=1784696655</image:loc>
      <image:title>Cap, Black Phenol with Polyvinyl-faced Pulpboard Liner, 38 mm, 38-400 Thread, 12/PK, 2160/CS; Cincinnati Container Co. 50038PV (Representative Image)</image:title>
      <image:caption>Cap, Black Phenol with Polyvinyl-faced Pulpboard Liner, 38 mm, 38-400 Thread, 12/PK, 2160/CS; Cincinnati Container Co. 50038PV (Representative Image)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-plastic-with-polyvinyl-liner-45-500-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-55.png?v=1784696656</image:loc>
      <image:title>Cap, Phenolic with Pulp/Vinyl Liner, 45-400 mm, Cincinnati Container, 50045PV</image:title>
      <image:caption>Cap, Phenolic with Pulp/Vinyl Liner, 45-400 mm, Cincinnati Container, 50045PV</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-cap-polyvinyl-liner-53-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-64_ab5bd380-b091-4907-ac42-b7aca7436db5.png?v=1784696657</image:loc>
      <image:title>Phenolic Cap, Pulp/Vinyl Liner, 53-400, Cincinnati Container, 50053PV</image:title>
      <image:caption>Phenolic Cap, Pulp/Vinyl Liner, 53-400, Cincinnati Container, 50053PV</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/black-plastic-cap-70-400-polyvinyl-liner</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-73.png?v=1784696659</image:loc>
      <image:title>Phenolic Cap, with Pulp/Vinyl Liner, 70-400, Cincinnati Container, 50070PV</image:title>
      <image:caption>Phenolic Cap, with Pulp/Vinyl Liner, 70-400, Cincinnati Container, 50070PV</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-plastic-black-with-paper-backed-vinyl-liner-83-400-thread-liner-is-not-autoclavable</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-75.png?v=1784696660</image:loc>
      <image:title>Phenolic Cap, Black, with Pulp/Vinyl Liner, 83-400 Thread, Cincinnati Container, 50083PV</image:title>
      <image:caption>Phenolic Cap, Black, with Pulp/Vinyl Liner, 83-400 Thread, Cincinnati Container, 50083PV</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/black-phenol-caps-continuous-threads-48-400-with-solid-polyethylene-liner</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-58_600c1e3b-2d35-4223-bd52-d010681f01a9.png?v=1784696662</image:loc>
      <image:title>Phenolic Cap, Black, Continuous Threads, 48-400 with Teflon Liner, Cincinnati Container, 50048TF</image:title>
      <image:caption>Phenolic Cap, Black, Continuous Threads, 48-400 with Teflon Liner, Cincinnati Container, 50048TF</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-molded-black-plastic-with-aluminum-foil-liner-size-53-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-64_23dc0264-7a2a-4fa0-b074-141799e4c48c.png?v=1784696663</image:loc>
      <image:title>Bottle Cap, Molded Black Plastic with Aluminum Foil Liner, Size 53-400</image:title>
      <image:caption>Bottle Cap, Molded Black Plastic with Aluminum Foil Liner, Size 53-400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-black-plastic-58-400-mm-with-foil-liner</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-67.png?v=1784696665</image:loc>
      <image:title>Pheonlic Cap, Black, 58-400 mm with Foil/Pulp Liner, Qorpak, CAP-00282</image:title>
      <image:caption>Pheonlic Cap, Black, 58-400 mm with Foil/Pulp Liner, Qorpak, CAP-00282</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-cap-polyethylene-liner-63-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4326-70.png?v=1784696666</image:loc>
      <image:title>Phenolic Cap, Polyethylene Liner 63-400, Cincinnati Container, 50063PL</image:title>
      <image:caption>Phenolic Cap, Polyethylene Liner 63-400, Cincinnati Container, 50063PL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-narrow-mouth-reagent-storage-with-standard-taper-stopper-125-ml-ea-6-pk-or-48-cs-corning-1500-125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-71_de20f3e2-bca8-48fd-8941-268ba9c0e919.png?v=1784696668</image:loc>
      <image:title>PYREX Bottle, Narrow-Mouth Reagent Storage, with Standard Taper Stopper, 125 mL, EA, 6/PK or 48/CS, Corning, 1500-125</image:title>
      <image:caption>PYREX Bottle, Narrow-Mouth Reagent Storage, with Standard Taper Stopper, 125 mL, EA, 6/PK or 48/CS, Corning, 1500-125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-narrow-mouth-reagent-storage-cylindical-with-standard-taper-stopper-250-ml-ea-or-36-cs-corning-1500-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-78_bdbb5891-7932-4538-a1c3-4d5aeff2029f.png?v=1784696669</image:loc>
      <image:title>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindical, with Standard Taper Stopper, 250 mL, EA or 36/CS, Corning, 1500-250</image:title>
      <image:caption>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindical, with Standard Taper Stopper, 250 mL, EA or 36/CS, Corning, 1500-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-narrow-mouth-reagent-storage-cylindrical-with-standard-taper-stopper-1-l-ea-or-24-cs-corning-1500-1l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-86_531a31f1-4533-4d5f-bb86-8e1846603a3a.png?v=1784696671</image:loc>
      <image:title>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindrical, with Standard Taper Stopper, 1 L, EA or 24/CS, Corning, 1500-1L</image:title>
      <image:caption>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindrical, with Standard Taper Stopper, 1 L, EA or 24/CS, Corning, 1500-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-narrow-mouth-reagent-storage-cylindrical-with-standard-taper-stopper-2-l-ea-or-6-cs-corning-1500-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-88_186157bd-4a49-4f53-b061-31da1847aa57.png?v=1784696672</image:loc>
      <image:title>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindrical with Standard Taper Stopper, 2 L, EA or 6/CS, Corning, 1500-2 L</image:title>
      <image:caption>PYREX Bottle, Narrow-Mouth Reagent Storage, Cylindrical with Standard Taper Stopper, 2 L, EA or 6/CS, Corning, 1500-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-aspirator-wide-mouth-cylindical-with-hose-outlet-4000-ml-1-pk-or-4-cs-corning-1220-4l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4424-91.png?v=1784696674</image:loc>
      <image:title>Bottle, Aspirator, Wide-Mouth, Cylindical, with Hose Outlet, 4000 mL, 1/PK or 4/CS, Corning, 1220-4L</image:title>
      <image:caption>Bottle, Aspirator, Wide-Mouth, Cylindical, with Hose Outlet, 4000 mL, 1/PK or 4/CS, Corning, 1220-4L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-aspirator-bottle-wide-mouth-cylindical-with-bottom-side-arm-19-l-5-gal-1-cs-corning-1220-5</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4424-96.png?v=1784696675</image:loc>
      <image:title>PYREX Aspirator Bottle, Wide-Mouth, Cylindical, with Bottom Side Arm, 19 L (5 gal), 1/CS, Corning, 1220-5</image:title>
      <image:caption>PYREX Aspirator Bottle, Wide-Mouth, Cylindical, with Bottom Side Arm, 19 L (5 gal), 1/CS, Corning, 1220-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-autoclavable-wide-mouth-polypropylene-with-polypropylene-spigot-screw-closure-with-tpe-gasket-10-l-1-pk-or-6-cs-thermo-scientific-2319-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4452-10_c7e2c9d6-8d89-4271-8aeb-ffffaacd0b34.png?v=1784696677</image:loc>
      <image:title>Nalgene Carboy, Autoclavable, Wide-Mouth, Polypropylene, with Polypropylene Spigot &amp; Screw Closure with TPE Gasket, 10 L, 1/PK or 6/CS, Thermo Scientific, 2319-0020</image:title>
      <image:caption>Nalgene Carboy, Autoclavable, Wide-Mouth, Polypropylene, with Polypropylene Spigot &amp; Screw Closure with TPE Gasket, 10 L, 1/PK or 6/CS, Thermo Scientific, 2319-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-autoclavable-wide-mouth-polypropylene-with-polypropylene-spigot-screw-closure-with-tpe-gasket-20-l-thermo-scientific-2319-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4452-12_439276d3-f178-4b34-868b-fcf83bd3d974.png?v=1784696678</image:loc>
      <image:title>Nalgene Carboy, Autoclavable, Wide-Mouth, Polypropylene with Polypropylene Spigot &amp; Screw Closure with TPE Gasket, 20 L, Thermo Scientific, 2319-0050</image:title>
      <image:caption>Nalgene Carboy, Autoclavable, Wide-Mouth, Polypropylene with Polypropylene Spigot &amp; Screw Closure with TPE Gasket, 20 L, Thermo Scientific, 2319-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-spigot-screw-closure-9-l-thermo-scientific-2320-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4453-05_af321fa8-1944-4065-be17-579f55b09f47.png?v=1784696680</image:loc>
      <image:title>Nalgene Carboy, Rectangular, Wide-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Spigot &amp; Screw Closure, 9 L, Thermo Scientific, 2320-0020</image:title>
      <image:caption>Nalgene Carboy, Rectangular, Wide-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Spigot &amp; Screw Closure, 9 L, Thermo Scientific, 2320-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-rectangular-wide-mouth-high-density-polyethylene-hdpe-with-polypropylene-pp-spigot-screw-closure-20-l-thermo-scientific-2320-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4453-10_460703e2-d0bb-4dc2-b0fe-e8f194a0724c.png?v=1784696681</image:loc>
      <image:title>Nalgene Carboy, Rectangular, Wide-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Spigot &amp; Screw Closure, 20 L, Thermo Scientific, 2320-0050</image:title>
      <image:caption>Nalgene Carboy, Rectangular, Wide-Mouth, High-Density Polyethylene (HDPE) with Polypropylene (PP) Spigot &amp; Screw Closure, 20 L, Thermo Scientific, 2320-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-spigot-quick-action-polypropylene-pp-5-8-in-with-high-density-polyethylene-hdpe-tubing-adapter-straight-female-thread-thermo-scientific-6422-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4455-01_10663eb7-84ef-4202-a82d-bbfb89f77590.png?v=1785286861</image:loc>
      <image:title>Nalgene Spigot, Quick-Action, Polypropylene (PP), 5/8 in. with High-Density Polyethylene (HDPE) Tubing Adapter, Straight Female Thread, Thermo Scientific, 6422-0010</image:title>
      <image:caption>Nalgene Spigot, Quick-Action, Polypropylene (PP), 5/8 in. with High-Density Polyethylene (HDPE) Tubing Adapter, Straight Female Thread, Thermo Scientific, 6422-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-retangular-autoclavable-polypropylene-copolymer-ppco-with-polypropylene-pp-spigot-and-cap-20-l-1-pk-or-4-cs-thermo-scientific-2321-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4457-10_8c27f256-f759-486b-9b30-59781fbf3fb0.png?v=1784696684</image:loc>
      <image:title>Nalgene Carboy, Retangular, Autoclavable, Polypropylene Copolymer (PPCO) with Polypropylene (PP)  Spigot and Cap, 20 L, 1/PK or 4/CS, Thermo Scientific, 2321-0050</image:title>
      <image:caption>Nalgene Carboy, Retangular, Autoclavable, Polypropylene Copolymer (PPCO) with Polypropylene (PP)  Spigot and Cap, 20 L, 1/PK or 4/CS, Thermo Scientific, 2321-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-carboy-rectangular-wide-mouth-polycarbonate-pc-with-polypropylene-pp-spigot-screw-closure-20-l-1-pk-or-4-cs-thermo-scientific-2322-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4458-10.png?v=1784696686</image:loc>
      <image:title>Nalgene Carboy, Rectangular, Wide-Mouth, Polycarbonate (PC) with Polypropylene (PP) Spigot &amp; Screw Closure, 20 L, 1/PK or 4/CS, Thermo Scientific, 2322-0050</image:title>
      <image:caption>Nalgene Carboy, Rectangular, Wide-Mouth, Polycarbonate (PC) with Polypropylene (PP) Spigot &amp; Screw Closure, 20 L, 1/PK or 4/CS, Thermo Scientific, 2322-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-dispensing-dropper-30-ml-0-76-mm-tip-ea-12-pk-or-72-cs-bel-art-products-f11637-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-12_1bb39e9b-861d-42d8-b2e1-b1d724c2d0a8.png?v=1784696687</image:loc>
      <image:title>Bottle, Dispensing/Dropper, 30 mL, 0.76 mm tip, EA, 12/PK or 72/CS, Bel Art Products F11637-0001</image:title>
      <image:caption>Bottle, Dispensing/Dropper, 30 mL, 0.76 mm tip, EA, 12/PK or 72/CS, Bel Art Products F11637-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dispensing-drop-bottle-low-density-polyethylene-with-snap-on-cap-60-ml-2-oz-ea-12-pk-or-72-cs-sp-bel-art-products-f11637-0002</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-17_fb68d5b4-2b46-4292-8479-026470d831b5.png?v=1784696689</image:loc>
      <image:title>Dispensing/Drop Bottle, Low-Density Polyethylene with Snap on Cap, 60 mL (2 oz.), EA, 12/PK or 72/CS, SP Bel-Art Products, F11637-0002</image:title>
      <image:caption>Dispensing/Drop Bottle, Low-Density Polyethylene with Snap on Cap, 60 mL (2 oz.), EA, 12/PK or 72/CS, SP Bel-Art Products, F11637-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-dispensing-dropper-125-ml-0-76-mm-tip-ea-or-12-pk-sp-bel-art-products-f11637-0004</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-22_5a0c509b-43c9-42f4-b42e-39fbba172045.png?v=1784696690</image:loc>
      <image:title>Bottle, Dispensing/Dropper, 125 mL, 0.76 mm tip, EA or 12/PK, SP Bel-Art Products F11637-0004</image:title>
      <image:caption>Bottle, Dispensing/Dropper, 125 mL, 0.76 mm tip, EA or 12/PK, SP Bel-Art Products F11637-0004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-dispensing-drop-low-density-polyethylene-ldpe-250-ml-8-oz-ea-12-pk-or-72-cs-sp-bel-art-products-f11637-0008</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-26_1bc9440d-6b13-4978-bf0f-d0ab9469ba4e.png?v=1784696692</image:loc>
      <image:title>Bottle, Dispensing/Drop, Low-Density Polyethylene (LDPE), 250 mL (8 oz.), EA, 12/PK or 72/CS, SP Bel-Art Products, F11637-0008</image:title>
      <image:caption>Bottle, Dispensing/Drop, Low-Density Polyethylene (LDPE), 250 mL (8 oz.), EA, 12/PK or 72/CS, SP Bel-Art Products, F11637-0008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-dispensing-dropper-low-density-polyethlene-ldpe-with-snap-on-cap-500-ml-ea-12-pk-or-36-cs-sp-bel-art-products-f11637-0016</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-35_78ddf196-0b5b-4d58-9114-a866d7112681.png?v=1784696693</image:loc>
      <image:title>Bottle, Dispensing/Dropper, Low-Density Polyethlene (LDPE) with Snap-On Cap, 500 mL, EA, 12/PK or 36/CS, SP Bel-Art Products, F11637-0016</image:title>
      <image:caption>Bottle, Dispensing/Dropper, Low-Density Polyethlene (LDPE) with Snap-On Cap, 500 mL, EA, 12/PK or 36/CS, SP Bel-Art Products, F11637-0016</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-dropper-dispenser-narrow-mouth-with-ground-glass-stopper-pipet-125-ml-ea-or-12-cs-corning-1340-125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4542-71.png?v=1784696695</image:loc>
      <image:title>PYREX Bottle, Dropper/Dispenser, Narrow-Mouth, with Ground Glass Stopper/Pipet, 125 mL, EA or 12/CS, Corning, 1340-125</image:title>
      <image:caption>PYREX Bottle, Dropper/Dispenser, Narrow-Mouth, with Ground Glass Stopper/Pipet, 125 mL, EA or 12/CS, Corning, 1340-125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-assembly-for-1-oz-bottle-clearance</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-12.png?v=1784696696</image:loc>
      <image:title>Dropper Assembly for 1 oz. Bottle [CLEARANCE]</image:title>
      <image:caption>Dropper Assembly for 1 oz. Bottle [CLEARANCE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-assembly-for-2-oz-bottle-20-x-90-mm-clearance</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-17_eed77de9-c23b-44e4-b88e-86cbd93a04e1.png?v=1784696698</image:loc>
      <image:title>Dropper Assembly for 2 oz. Bottle, 20 x 90 mm [CLEARANCE]</image:title>
      <image:caption>Dropper Assembly for 2 oz. Bottle, 20 x 90 mm [CLEARANCE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-assembly-for-4-oz-bottle-22-x-102-mm-clearance</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-22_76d49f44-82f9-4277-9ddd-c62697cae67d.png?v=1784696699</image:loc>
      <image:title>Dropper Assembly for 4 oz. Bottle, 22 x 102 mm [CLEARANCE]</image:title>
      <image:caption>Dropper Assembly for 4 oz. Bottle, 22 x 102 mm [CLEARANCE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-assembly-for-8-oz-bottle-24-x-125-mm-clearance</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-26_9b88cf97-1ef6-4e92-90e3-1bb4ce90829b.png?v=1784696700</image:loc>
      <image:title>Dropper Assembly for 8 oz. Bottle, 24 x 125 mm [CLEARANCE]</image:title>
      <image:caption>Dropper Assembly for 8 oz. Bottle, 24 x 125 mm [CLEARANCE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-dropper-dispenser-low-density-polyethylene-ldpe-with-polypropylene-pp-dropping-closure-cap-15-ml-ea-12-pk-or-72-cs-thermo-scientific-2411-0015</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-01_ec8c0aca-4b46-4c96-a826-3ef6e60b866c.png?v=1784696702</image:loc>
      <image:title>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE), with Polypropylene (PP)  Dropping Closure &amp; Cap, 15 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2411-0015</image:title>
      <image:caption>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE), with Polypropylene (PP)  Dropping Closure &amp; Cap, 15 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2411-0015</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-dropper-dispenser-low-density-polyethylene-ldpe-with-polypropylene-pp-dropping-closure-cap-30-ml-ea-12-pk-or-72-cs-thermo-scientific-2411-0030</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-02_e67ec242-3919-4038-872d-5fcea1b48356.png?v=1784696704</image:loc>
      <image:title>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 30 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2411-0030</image:title>
      <image:caption>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 30 mL, EA, 12/PK or 72/CS, Thermo Scientific, 2411-0030</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-dropper-dispenser-low-density-polyethylene-ldpe-with-polypropylene-pp-dropping-closure-cap-60-ml-ea-12-pk-or-48-cs-thermo-scientific-2411-0060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-03.png?v=1784696705</image:loc>
      <image:title>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 60 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2411-0060</image:title>
      <image:caption>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 60 mL, EA, 12/PK or 48/CS, Thermo Scientific, 2411-0060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-dropper-dispenser-low-density-polyethylene-ldpe-with-polypropylene-pp-dropping-closure-cap-125-ml-ea-12-pk-or-48-cs-thermo-scientific-2411-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-04.png?v=1784696707</image:loc>
      <image:title>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 125 mL, EA, 12/PK, or 48/CS, Thermo Scientific, 2411-0125</image:title>
      <image:caption>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 125 mL, EA, 12/PK, or 48/CS, Thermo Scientific, 2411-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bottle-dropper-dispenser-low-density-polyethylene-ldpe-with-polypropylene-pp-dropping-closure-cap-250-ml-ea-6-pk-or-36-cs-thermo-scientific-2411-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-06_c6ee200f-dfce-4c28-a0c2-71bc301350d6.png?v=1784696708</image:loc>
      <image:title>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 250 mL, EA, 6/PK or 36/CS, Thermo Scientific, 2411-0250</image:title>
      <image:caption>Nalgene Bottle, Dropper/Dispenser, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Dropping Closure &amp; Cap, 250 mL, EA, 6/PK or 36/CS, Thermo Scientific, 2411-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-dropper-bottle-polypropylene-copolymer-ppco-with-polypropylene-pp-dispensing-cap-250-ml-thermo-scientific-2420-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4568-78_76b5a56c-4a58-4f07-afc6-a0824691ac0a.png?v=1784696710</image:loc>
      <image:title>Nalgene Dropper Bottle, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Dispensing Cap, 250 mL, Thermo Scientific, 2420-0250</image:title>
      <image:caption>Nalgene Dropper Bottle, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Dispensing Cap, 250 mL, Thermo Scientific, 2420-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-bottle-unitary-low-density-polyethylene-ldpe-with-polypropylene-pp-cap-125-ml-thermo-scientific-2410-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4570-71.png?v=1784696711</image:loc>
      <image:title>Dropper Bottle, Unitary, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Cap, 125 mL, Thermo Scientific, 2410-0125</image:title>
      <image:caption>Dropper Bottle, Unitary, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Cap, 125 mL, Thermo Scientific, 2410-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-bottle-polyethylene-250-ml-n2410</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4570-78_80e0acd0-7bc4-4c47-ba65-534599f88594.png?v=1784696713</image:loc>
      <image:title>Nalgene Dropper Bottle, Unitary, Low-Density Polyethylene, 250 mL, Thermo Scientific, 2410-0250</image:title>
      <image:caption>Nalgene Dropper Bottle, Unitary, Low-Density Polyethylene, 250 mL, Thermo Scientific, 2410-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropping-bottle-azlon-low-density-polyethylene-ldpe-with-polyethylene-screw-cap-with-pivoting-nozzle-30-ml-10-cs-dynalon-labware-524165-0030</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4571-12_971c829d-8e0e-453c-8ca2-e1b1b29463da.png?v=1784696714</image:loc>
      <image:title>Dropping Bottle, Azlon, Low-Density Polyethylene (LDPE) with Polyethylene Screw Cap with Pivoting Nozzle, 30 mL 10/CS, Dynalon Labware,  524165-0030</image:title>
      <image:caption>Dropping Bottle, Azlon, Low-Density Polyethylene (LDPE) with Polyethylene Screw Cap with Pivoting Nozzle, 30 mL 10/CS, Dynalon Labware,  524165-0030</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropper-bottle-30-ml-whg-211733-with-flint-ground-glass-stopper</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-45_a4e1ad4e-555a-493e-8d5e-20d8e1f05e06.png?v=1784696716</image:loc>
      <image:title>Dropper Bottle, 30 mL, Flint Glass with Ground Glass Stopper, DWK, 211733</image:title>
      <image:caption>Dropper Bottle, 30 mL, Flint Glass with Ground Glass Stopper, DWK, 211733</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropping-bottle-50-ml-clear-glass-with-ground-stopper-wheaton-w211734</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-58_6697a924-2274-4316-af78-33e2628e5f20.png?v=1784696717</image:loc>
      <image:title>Dropping Bottle, 50 mL, Clear Glass with Ground Stopper, Wheaton W211734</image:title>
      <image:caption>Dropping Bottle, 50 mL, Clear Glass with Ground Stopper, Wheaton W211734</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dropping-bottle-100-ml-clear-glass-with-ground-stopper-wheaton-w211735</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-71_7f08a10e-46f2-41ef-83a2-b81fe3710461.png?v=1784696718</image:loc>
      <image:title>Dropping Bottle, 100 mL, Clear Glass with Ground Stopper, DWK, 211735</image:title>
      <image:caption>Dropping Bottle, 100 mL, Clear Glass with Ground Stopper, DWK, 211735</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-milk-dilution-narrow-mouth-phenolic-screw-cap-graduated-160-ml-ea-12-pk-or-48-cs-corning-1372-160</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4662-01_9ad8b35a-84da-4dc1-9bb8-ba6894b6a89d.png?v=1784696720</image:loc>
      <image:title>Bottle, Milk Dilution, Narrow-Mouth, Phenolic Screw Cap, Graduated, 160 mL, EA, 12/PK or 48/CS, Corning, 1372-160</image:title>
      <image:caption>Bottle, Milk Dilution, Narrow-Mouth, Phenolic Screw Cap, Graduated, 160 mL, EA, 12/PK or 48/CS, Corning, 1372-160</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-milk-dilution-borosilicate-glass-with-black-phenolic-screw-cap-graduated-at-99-ml-160-ml-dwk-14925-160</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4664-01.png?v=1784696721</image:loc>
      <image:title>Bottle, Milk Dilution, Borosilicate Glass with Black Phenolic Screw-Cap, Graduated at 99 mL, 160 mL, DWK, 14925-160</image:title>
      <image:caption>Bottle, Milk Dilution, Borosilicate Glass with Black Phenolic Screw-Cap, Graduated at 99 mL, 160 mL, DWK, 14925-160</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-bottle-narrow-mouth-milk-dilution-with-phenolic-screw-cap-160-ml-corning-1367-160</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4665-01.png?v=1784696723</image:loc>
      <image:title>PYREX Bottle, Narrow-Mouth Milk Dilution with Phenolic Screw Cap, 160 mL, Corning, 1367-160</image:title>
      <image:caption>PYREX Bottle, Narrow-Mouth Milk Dilution with Phenolic Screw Cap, 160 mL, Corning, 1367-160</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-milk-dilution-wide-mouth-black-phenolic-screw-cap-graduated-160-ml-ea-12-pk-or-48-pk-corning-1373-160</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4666-01_9fddcf87-11b5-4ef5-8516-cd6108deeb8c.png?v=1784696725</image:loc>
      <image:title>Bottle, Milk Dilution, Wide-Mouth, Black Phenolic, Screw Cap, Graduated, 160 mL, EA, 12/PK, or 48/PK, Corning, 1373-160</image:title>
      <image:caption>Bottle, Milk Dilution, Wide-Mouth, Black Phenolic, Screw Cap, Graduated, 160 mL, EA, 12/PK, or 48/PK, Corning, 1373-160</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-dilution-bottle-square-wide-mouth-polysulfone-psu-with-polypropylene-pp-closure-210-ml-graduations-at-90-and-99-ml-thermo-scientific-2500-0280</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4670-01_a9485903-b81e-42a5-9e12-571f15bef69d.png?v=1784696726</image:loc>
      <image:title>Nalgene Dilution Bottle, Square, Wide-Mouth, Polysulfone (PSU) with Polypropylene (PP) Closure, 210 mL, Graduations at 90 and 99 mL, Thermo Scientific, 2500-0280</image:title>
      <image:caption>Nalgene Dilution Bottle, Square, Wide-Mouth, Polysulfone (PSU) with Polypropylene (PP) Closure, 210 mL, Graduations at 90 and 99 mL, Thermo Scientific, 2500-0280</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/citrate-bottle-assembly-complete-300-cc-bottle-with-stopper-assembly-and-butyl-gasket</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4707-81.png?v=1784696727</image:loc>
      <image:title>Citrate Bottle Assembly, Complete, 300 cc Bottle, with Stopper Assembly and Butyl Gasket</image:title>
      <image:caption>Citrate Bottle Assembly, Complete, 300 cc Bottle, with Stopper Assembly and Butyl Gasket</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/citrate-bottle-only-300-cc-for-use-with-stopper-assembly-and-butyl-gasket-or-crown-cap</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4709-80_4c62493a-4ca2-468f-9486-99c4a0527631.png?v=1784696729</image:loc>
      <image:title>Citrate Bottle Only, 300 cc, for Use with Stopper Assembly and Butyl Gasket, or Crown Cap</image:title>
      <image:caption>Citrate Bottle Only, 300 cc, for Use with Stopper Assembly and Butyl Gasket, or Crown Cap</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stopper-assembly-only-for-use-with-citrate-bottle-and-butyl-gasket</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4712-01.png?v=1784696730</image:loc>
      <image:title>Stopper Assembly Only, for Use with Citrate Bottle and Butyl Gasket</image:title>
      <image:caption>Stopper Assembly Only, for Use with Citrate Bottle and Butyl Gasket</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/citrate-bottle-stopper-complete-assembly-includes-cap-and-spring-for-use-with-citrate-bottle-and-butyl-gasket</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4712-02.png?v=1784696732</image:loc>
      <image:title>Citrate Bottle Stopper Complete Assembly, Includes Cap and Spring for use with Citrate Bottle and Butyl Gasket</image:title>
      <image:caption>Citrate Bottle Stopper Complete Assembly, Includes Cap and Spring for use with Citrate Bottle and Butyl Gasket</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/gasket-for-citrate-bottle-gum-rubber-1-8x1-4x1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4713-01_3c4ddd0a-6b9d-4e4a-8295-b2bed3eb5efd.png?v=1784696733</image:loc>
      <image:title>Gasket, for Citrate Bottle, Gum Rubber, 1/8X1/4X1</image:title>
      <image:caption>Gasket, for Citrate Bottle, Gum Rubber, 1/8X1/4X1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/butyl-gasket-only-for-use-with-citrate-bottle-and-stopper-assembly</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4713-02_39b89efb-2f61-4fea-889d-645850c18fa0.png?v=1784696735</image:loc>
      <image:title>Butyl Gasket Only, for Use with Citrate Bottle and Stopper Assembly</image:title>
      <image:caption>Butyl Gasket Only, for Use with Citrate Bottle and Stopper Assembly</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crown-cap-pop-bottle-cap-special-pricing-for-quantity-purchases</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4718-01_42c7f981-c6c0-4539-b44b-bcc4b64cdd3a.png?v=1784696736</image:loc>
      <image:title>Crown Cap (Pop Bottle Cap)  Special Pricing for Quantity Purchases!</image:title>
      <image:caption>Crown Cap (Pop Bottle Cap)  Special Pricing for Quantity Purchases!</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-serum-vials-polyethylene-terephthalate-glycol-petg-clear-crimp-finish-sterile-shrink-wrapped-modules-3-ml-3451-cs-thermo-scientific-342030-0003</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-03_7927b1c4-b669-4c84-b18e-3a2975bb51b3.png?v=1784696737</image:loc>
      <image:title>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 3 mL, 3451/CS, Thermo Scientific, 342030-0003</image:title>
      <image:caption>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 3 mL, 3451/CS, Thermo Scientific, 342030-0003</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-serum-vials-polyethylene-terephthalate-glycol-petg-clear-crimp-finish-sterile-shrink-wrapped-modules-5-ml-1932-cs-thermo-scientific-342030-0005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-05_b8042172-14fc-48fe-be16-ccd4ebd7e87e.png?v=1784696739</image:loc>
      <image:title>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 5 mL, 1932/CS, Thermo Scientific, 342030-0005</image:title>
      <image:caption>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 5 mL, 1932/CS, Thermo Scientific, 342030-0005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-serum-vials-polyethylene-terephthalate-glycol-petg-clear-crimp-finish-sterile-shrink-wrapped-modules-10-ml-1260-cs-thermo-scientific-342030-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-10_34f225db-6b6d-4412-a352-bd99f21f7d00.png?v=1784696740</image:loc>
      <image:title>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 10 mL, 1260/CS, Thermo Scientific, 342030-0010</image:title>
      <image:caption>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 10 mL, 1260/CS, Thermo Scientific, 342030-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-serum-vials-polyethylene-terephthalate-glycol-petg-clear-crimp-finish-sterile-shrink-wrapped-modules-20-ml-612-cs-thermo-scientific-342030-0020</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-20_a8ae66a3-b5d2-4ac7-b3c0-4d3d5c64a3ff.png?v=1784696742</image:loc>
      <image:title>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 20 mL, 612/CS, Thermo Scientific, 342030-0020</image:title>
      <image:caption>Nalgene Serum Vials, Polyethylene Terephthalate Glycol (PETG), Clear, Crimp Finish, STERILE, Shrink-Wrapped Modules, 20 mL, 612/CS, Thermo Scientific, 342030-0020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/serum-bottle-narrow-mouth-glass-type-i-clear-20-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4788-39_52d4bee1-106c-4a47-bd53-923654e2c13e.png?v=1784696743</image:loc>
      <image:title>Serum Bottle, Narrow Mouth Glass, Type I Clear, 20 mL</image:title>
      <image:caption>Serum Bottle, Narrow Mouth Glass, Type I Clear, 20 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/serum-bottle-clear-100-ml-144-cs-wheaton-223747</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4788-67_e77f95ba-cbb3-4c31-9a3b-3921aa60757e.png?v=1784696745</image:loc>
      <image:title>Serum Bottle, Clear, 100 mL, 144/CS, Wheaton, 223747</image:title>
      <image:caption>Serum Bottle, Clear, 100 mL, 144/CS, Wheaton, 223747</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-serum-narrow-mouth-amber-mouth-13-mm-i-d-x-20-mm-o-d-30-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4789-45_4fcb6e70-387f-49ab-8011-830ba472eaab.png?v=1784696746</image:loc>
      <image:title>Bottle, Serum, Narrow Mouth, Amber, Mouth 13 mm I.D. x 20 mm O.D., 30 mL.</image:title>
      <image:caption>Bottle, Serum, Narrow Mouth, Amber, Mouth 13 mm I.D. x 20 mm O.D., 30 mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton%C2%AE-rubber-stopper-snap-on-20-mm-gray-chlorobutyl-1000-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4792-30_729e186f-e49d-4b6c-983f-b13c9ff1e9ef.png?v=1784696747</image:loc>
      <image:title>WHEATON® Rubber Stopper, Snap-On, 20 mm, Gray Chlorobutyl, 1000/CS</image:title>
      <image:caption>WHEATON® Rubber Stopper, Snap-On, 20 mm, Gray Chlorobutyl, 1000/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rubber-serum-stopper-d-88-fits-mouth-5-mm-i-d-x-11-mm-o-d-natural-red-rubber</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4798-02.png?v=1784696749</image:loc>
      <image:title>Rubber Serum Stopper, D-88, Fits mouth 5 mm I.D. x 11 mm O.D., Natural Red Rubber</image:title>
      <image:caption>Rubber Serum Stopper, D-88, Fits mouth 5 mm I.D. x 11 mm O.D., Natural Red Rubber</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-seal-regular-for-use-with-serum-stoppers-20-mm-o-d</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4804-39.png?v=1784696750</image:loc>
      <image:title>Aluminum Seal, Regular, for Use with Serum Stoppers, 20 mm O.D.</image:title>
      <image:caption>Aluminum Seal, Regular, for Use with Serum Stoppers, 20 mm O.D.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-specific-gravity-gay-lussac-5-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4838-23_21e3c0d5-e5d4-49e4-b97e-5a9842f34a14.png?v=1784696751</image:loc>
      <image:title>Bottle, Specific Gravity, GAY-LUSSAC 5 mL</image:title>
      <image:caption>Bottle, Specific Gravity, GAY-LUSSAC 5 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/specific-gravity-bottle-borosilicate-glass-hubbard-style-24-ml-ea-2-pk-or-12-cs-dwk-15110-24</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4844-01_0e8b31b7-798a-4324-801c-798da59c322a.png?v=1784696753</image:loc>
      <image:title>Specific Gravity Bottle, Borosilicate Glass, Hubbard Style, 24 mL, EA, 2/PK or 12/CS, DWK, 15110-24</image:title>
      <image:caption>Specific Gravity Bottle, Borosilicate Glass, Hubbard Style, 24 mL, EA, 2/PK or 12/CS, DWK, 15110-24</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-specific-gravity-bottle-hubbard-carmick-borosilicate-glass-with-standard-taper-stopper-cylindrical-25-ml-ea-2-pk-or-12-cs-corning-1620-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4858-01_328ec7b4-4696-408f-8094-5b764f00fd71.png?v=1784696754</image:loc>
      <image:title>PYREX Specific Gravity Bottle, Hubbard-Carmick, Borosilicate Glass with Standard Taper Stopper, Cylindrical, 25 mL, EA, 2/PK, or 12/CS, Corning, 1620-25</image:title>
      <image:caption>PYREX Specific Gravity Bottle, Hubbard-Carmick, Borosilicate Glass with Standard Taper Stopper, Cylindrical, 25 mL, EA, 2/PK, or 12/CS, Corning, 1620-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-lab-file-sample-vials-standard-with-caps-attached-glass-rubber-lined-caps-40-ml-dwk-72-cs-225290</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4888-44_078e8956-5081-4ce9-b525-d8a94e06f044.png?v=1784696756</image:loc>
      <image:title>Wheaton Lab File Sample Vials, Standard with Caps Attached, Glass, Rubber Lined Caps, 40 mL, DWK, 72/CS, 225290</image:title>
      <image:caption>Wheaton Lab File Sample Vials, Standard with Caps Attached, Glass, Rubber Lined Caps, 40 mL, DWK, 72/CS, 225290</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/voa-vial-closed-top-clear-glass-40-ml-pre-cleaned-to-epa-standards</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4891-23_12bd080e-a7c7-49a3-b658-2de63cd7daad.png?v=1784696757</image:loc>
      <image:title>VOA Vial, Closed Top, Clear Glass, 40 mL, Pre-Cleaned to EPA Standards</image:title>
      <image:caption>VOA Vial, Closed Top, Clear Glass, 40 mL, Pre-Cleaned to EPA Standards</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/shell-vials-short-style-clear-glass-30-ml-8-dram-576-cs-60931-8</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4894-26_83a841a5-e2c1-40a6-9627-035bd65f3b8a.png?v=1784696759</image:loc>
      <image:title>Shell Vials, Short Style, Clear Glass, 30 mL / 8 dram, 576/CS, 60931-8</image:title>
      <image:caption>Shell Vials, Short Style, Clear Glass, 30 mL / 8 dram, 576/CS, 60931-8</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-container-polypropylene-snap-seal-disposable-non-sterile-45-ml-1-5-oz-400-cs-corning-1730-2c</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-02_f7e30bf5-2e92-4470-93f9-75ebe5f1ea8d.png?v=1784696760</image:loc>
      <image:title>Sample Container, Polypropylene, Snap-Seal, Disposable, Non-Sterile, 45 mL (1.5 oz), 400/CS, Corning, 1730-2C</image:title>
      <image:caption>Sample Container, Polypropylene, Snap-Seal, Disposable, Non-Sterile, 45 mL (1.5 oz), 400/CS, Corning, 1730-2C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-container-polypropylene-pp-tall-snap-seal-disposable-non-sterile-120-ml-4-oz-200-cs-corning-1730-4h</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-03_afcf4184-6827-43d0-abaf-515ce7e6bcd8.png?v=1784696761</image:loc>
      <image:title>Sample Container, Polypropylene (PP), Tall, Snap-Seal, Disposable, Non-Sterile, 120 mL (4 oz.), 200/CS, Corning, 1730-4H</image:title>
      <image:caption>Sample Container, Polypropylene (PP), Tall, Snap-Seal, Disposable, Non-Sterile, 120 mL (4 oz.), 200/CS, Corning, 1730-4H</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-container-polypropylene-pp-short-snap-seal-disposable-non-sterile-120-ml-4-oz-200-cs-corning-1730-4l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-04_6824caa0-24ec-419d-9b52-1ee6baefc236.png?v=1784696763</image:loc>
      <image:title>Sample Container, Polypropylene (PP), Short, Snap-Seal, Disposable, Non-Sterile, 120 mL (4 oz.), 200/CS, Corning, 1730-4L</image:title>
      <image:caption>Sample Container, Polypropylene (PP), Short, Snap-Seal, Disposable, Non-Sterile, 120 mL (4 oz.), 200/CS, Corning, 1730-4L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-container-polypropylene-pp-snap-seal-disposable-non-sterile-240-ml-8-oz-100-cs-corning-1730-8</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-05_09f37c4f-2cca-4069-836d-d24dbc1c9597.png?v=1784696765</image:loc>
      <image:title>Sample Container, Polypropylene (PP), Snap-Seal, Disposable, Non-Sterile, 240 mL (8 oz.), 100/CS, Corning, 1730-8</image:title>
      <image:caption>Sample Container, Polypropylene (PP), Snap-Seal, Disposable, Non-Sterile, 240 mL (8 oz.), 100/CS, Corning, 1730-8</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-container-polypropylene-pp-snap-seal-disposable-non-sterile-300-ml-10-oz-100-cs-corning-1730-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-06_99a109e4-308b-41a2-afd7-ba2e2648e9f1.png?v=1784696766</image:loc>
      <image:title>Sample Container, Polypropylene (PP), Snap-Seal, Disposable, Non-Sterile, 300 mL (10 oz.), 100/CS, Corning, 1730-10</image:title>
      <image:caption>Sample Container, Polypropylene (PP), Snap-Seal, Disposable, Non-Sterile, 300 mL (10 oz.), 100/CS, Corning, 1730-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-nextgen-v-vial-1-ml-amber-glass-solid-top-ptfe-rubber-lined-screw-cap-12-cs-dwk-w986334ng</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-07_597a0c57-8014-4613-8873-67aea1bbd8cc.png?v=1784696768</image:loc>
      <image:title>Wheaton NextGen V Vial, 1 mL Amber Glass, Solid Top, PTFE/Rubber-Lined Screw Cap, 12/CS, DWK, W986334NG</image:title>
      <image:caption>Wheaton NextGen V Vial, 1 mL Amber Glass, Solid Top, PTFE/Rubber-Lined Screw Cap, 12/CS, DWK, W986334NG</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-flat-bottom-borosilicate-glass-clear-with-screw-cap-40-ml-for-epa-water-analysis-72-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-03.png?v=1784696769</image:loc>
      <image:title>Vial, Flat Bottom, Borosilicate Glass, Clear, with Screw Cap, 40 mL, For EPA Water Analysis, 72/CS</image:title>
      <image:caption>Vial, Flat Bottom, Borosilicate Glass, Clear, with Screw Cap, 40 mL, For EPA Water Analysis, 72/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-40-ml-amber-glass-closed-top-level-1-72-cs-qec-1122-40mlc</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-34_c0d4f6ad-62ea-4a7a-8f85-e6f335dba096.png?v=1784696771</image:loc>
      <image:title>Vial, 40 mL Amber Glass, Closed Top (Level 1), 72/CS, QEC, 1122-40MLC</image:title>
      <image:caption>Vial, 40 mL Amber Glass, Closed Top (Level 1), 72/CS, QEC, 1122-40MLC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/voa-vial-clear-closed-top-60-ml-level-1-72-cs-qec-1112-60mlc</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-35_42338670-316b-4b8d-b696-3947f64e4351.png?v=1784696772</image:loc>
      <image:title>VOA Vial, Clear, Closed Top, 60 mL, (Level 1), 72/CS, QEC, 1112-60MLC</image:title>
      <image:caption>VOA Vial, Clear, Closed Top, 60 mL, (Level 1), 72/CS, QEC, 1112-60MLC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/voa-vial-60-ml-amber-glass-closed-top-level-1-72-cs-qec-1122-60mlc</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-36_b749d671-44c9-4a14-9a2f-6a4930532896.png?v=1784696773</image:loc>
      <image:title>VOA Vial, 60 mL Amber Glass, Closed Top (Level 1), 72/CS, QEC, 1122-60MLC</image:title>
      <image:caption>VOA Vial, 60 mL Amber Glass, Closed Top (Level 1), 72/CS, QEC, 1122-60MLC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-amber-chromatography-9-mm-2-ml-with-write-on-patch-100-pk-qec-qiv-a-009-001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-37.png?v=1784696774</image:loc>
      <image:title>Vial, Amber Chromatography, 9 mm, 2 mL, with Write-on Patch, 100/PK, QEC, QIV-A-009-001</image:title>
      <image:caption>Vial, Amber Chromatography, 9 mm, 2 mL, with Write-on Patch, 100/PK, QEC, QIV-A-009-001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-blue-polypropylene-ribbed-screw-on-9-mm-with-red-ptfe-white-silicone-septa-qec-qp3212-009-501a</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-38.png?v=1784696776</image:loc>
      <image:title>Cap, Blue Polypropylene Ribbed Screw-On, 9 mm with Red PTFE/White Silicone Septa, QEC, QP3212.009.501A</image:title>
      <image:caption>Cap, Blue Polypropylene Ribbed Screw-On, 9 mm with Red PTFE/White Silicone Septa, QEC, QP3212.009.501A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-headspace-10-ml-clear-glass-18-mm-thread-finish-vials-only-qec-qiv-c-018-010r</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-39_13826ac1-bf47-4cf9-a100-47a525e1be85.png?v=1784696777</image:loc>
      <image:title>Vial, Headspace, 10 mL Clear Glass, 18 mm Thread Finish, Vials Only, QEC, QIV.C.018.010R</image:title>
      <image:caption>Vial, Headspace, 10 mL Clear Glass, 18 mm Thread Finish, Vials Only, QEC, QIV.C.018.010R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/screw-cap-18-mm-silver-steel-blue-ptfe-wth-white-silicone-100-pk-qec-qp2003-018-7712</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-40_a55ee64b-e9f7-4d5c-9eca-b2d4f727a2ac.png?v=1784696779</image:loc>
      <image:title>Screw Cap, 18 mm Silver Steel, Blue PTFE wth White Silicone, 100/PK, QEC, QP2003-018-7712</image:title>
      <image:caption>Screw Cap, 18 mm Silver Steel, Blue PTFE wth White Silicone, 100/PK, QEC, QP2003-018-7712</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-amber-9-mm-with-write-on-patch-ammonium-preservative</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-41_abb1d7d1-4734-4c77-a47b-6a14db176ba8.png?v=1784696781</image:loc>
      <image:title>Vial, Amber, 9 mm with Write-On Patch, Ammonium  Preservative</image:title>
      <image:caption>Vial, Amber, 9 mm with Write-On Patch, Ammonium  Preservative</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-low-density-polyethylene-ldpe-tethered-snap-cap-non-sterile-9-5-ml-12-pk-bel-art-products-f17574-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5038-27.png?v=1784696782</image:loc>
      <image:title>Vial, Low-Density Polyethylene (LDPE), Tethered Snap-Cap, Non-Sterile, 9.5 mL, 12/PK, Bel-Art Products, F17574-0000</image:title>
      <image:caption>Vial, Low-Density Polyethylene (LDPE), Tethered Snap-Cap, Non-Sterile, 9.5 mL, 12/PK, Bel-Art Products, F17574-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-shell-vial-8-x-40-mm-borosilicate-glass-convenience-pack-with-polyethylene-snap-caps-1-ml-1000-cs-dwk-w225244</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5042-01_3dcfc9aa-54cc-47fe-a853-5ea38f80dc95.png?v=1784696784</image:loc>
      <image:title>Wheaton Shell Vial 8 x 40 mm, Borosilicate Glass, Convenience Pack, with Polyethylene Snap Caps, 1 mL, 1000/CS, DWK,  W225244</image:title>
      <image:caption>Wheaton Shell Vial 8 x 40 mm, Borosilicate Glass, Convenience Pack, with Polyethylene Snap Caps, 1 mL, 1000/CS, DWK,  W225244</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-glass-tooled-neck-polyethylene-pe-closures-144-pk-0333927b</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5042-02_370b98c2-516e-46e3-802d-dd630a42f189.png?v=1784696785</image:loc>
      <image:title>Vial, Glass, Tooled-Neck, Polyethylene (PE) Closures, 144/PK, 0333927B</image:title>
      <image:caption>Vial, Glass, Tooled-Neck, Polyethylene (PE) Closures, 144/PK, 0333927B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-vial-low-density-polyethylene-with-snap-on-cap-18-ml-ea-12-pk-or-144-cs-thermo-scientific-6250-0018</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5054-37_3c401a50-1d66-4e44-a4eb-3aad72995508.png?v=1784696787</image:loc>
      <image:title>Nalgene Vial, Low-Density Polyethylene with Snap-On Cap, 18 mL, EA, 12/PK or 144/CS, Thermo Scientific, 6250-0018</image:title>
      <image:caption>Nalgene Vial, Low-Density Polyethylene with Snap-On Cap, 18 mL, EA, 12/PK or 144/CS, Thermo Scientific, 6250-0018</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-vial-low-density-polyethylene-ldpe-with-snap-on-cap-50-ml-ea-12-pk-or-144-cs-thermo-scientific-6250-9050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5054-53_1529f57a-c96e-4826-916c-2002fde51c50.png?v=1784696789</image:loc>
      <image:title>Nalgene Vial, Low-Density Polyethylene (LDPE) with Snap-On Cap, 50 mL, EA, 12/PK or 144/CS, Thermo Scientific, 6250-9050</image:title>
      <image:caption>Nalgene Vial, Low-Density Polyethylene (LDPE) with Snap-On Cap, 50 mL, EA, 12/PK or 144/CS, Thermo Scientific, 6250-9050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/container-polystyrene-ps-with-low-density-polyethylene-ldpe-snap-cap-26-ml-7-dram-1-02-in-w-x-2-01-in-h-with-cap-144-cs-dynalon-labware-426364-07</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5058-25_d22710ab-1c54-44bf-bc28-8bc0f7e7a832.png?v=1784696790</image:loc>
      <image:title>Container, Polystyrene (PS) with Low-Density Polyethylene (LDPE) Snap-Cap, 26 mL / 7 Dram, 1.02 in.W x 2.01 in. H (with Cap), 144/CS, Dynalon Labware, 426364-07</image:title>
      <image:caption>Container, Polystyrene (PS) with Low-Density Polyethylene (LDPE) Snap-Cap, 26 mL / 7 Dram, 1.02 in.W x 2.01 in. H (with Cap), 144/CS, Dynalon Labware, 426364-07</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-liquid-scintillation-vials-polypropylene-caps-attached-to-vials-glass-metal-foil-pulp-22-400-20-ml-500-cs-dwk-986541</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5063-28.png?v=1784696792</image:loc>
      <image:title>Wheaton Liquid Scintillation Vials, Polypropylene Caps Attached to Vials, Glass, Metal Foil / Pulp, 22-400, 20 mL, 500/CS, DWK, 986541</image:title>
      <image:caption>Wheaton Liquid Scintillation Vials, Polypropylene Caps Attached to Vials, Glass, Metal Foil / Pulp, 22-400, 20 mL, 500/CS, DWK, 986541</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-liquid-scintillation-vial-screw-cap-polyethylene-disk-22-400-thread-1000-cs-dwk-240817</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5064-10.png?v=1784696793</image:loc>
      <image:title>WHEATON Liquid Scintillation Vial Screw Cap, Polyethylene Disk, 22-400 Thread, 1000/CS, DWK, 240817</image:title>
      <image:caption>WHEATON Liquid Scintillation Vial Screw Cap, Polyethylene Disk, 22-400 Thread, 1000/CS, DWK, 240817</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polypropylene-cap-24-400-white-with-foil-liner-cs-of-1000-wheaton-240805</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5064-30.png?v=1784696794</image:loc>
      <image:title>Polypropylene Cap, 24-400, White with Foil Liner, CS of 1000, Wheaton 240805</image:title>
      <image:caption>Polypropylene Cap, 24-400, White with Foil Liner, CS of 1000, Wheaton 240805</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clear-borosilicate-glass-vials-bulk-pack-without-caps-20-ml-144-cs-qec-0112-20ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-20_764a5358-de7a-49c7-96ea-9431ba3b1083.png?v=1784696796</image:loc>
      <image:title>Clear Borosilicate Glass Vials Bulk Pack without Caps, 20 mL, 144/CS, QEC, 0112-20ML</image:title>
      <image:caption>Clear Borosilicate Glass Vials Bulk Pack without Caps, 20 mL, 144/CS, QEC, 0112-20ML</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-20-ml-clear-closed-top-voa-level-1-assembled-with-cap-72-pk-qec-1112-20mlc</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-39.png?v=1784696797</image:loc>
      <image:title>Vial, 20 ml Clear Closed Top VOA (Level 1 - Assembled with Cap), 72/PK, QEC, 1112-20MLC</image:title>
      <image:caption>Vial, 20 ml Clear Closed Top VOA (Level 1 - Assembled with Cap), 72/PK, QEC, 1112-20MLC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton%C2%AE-lab-file%C2%AE-clear-sample-vials-standard-vials-with-caps-40-ml-72-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-50_07884777-a95a-48f8-bbdb-999b9ebc486f.png?v=1784696798</image:loc>
      <image:title>WHEATON® LAB FILE® Clear Sample Vials, Standard Vials, with Caps, 40 mL, 72/CS</image:title>
      <image:caption>WHEATON® LAB FILE® Clear Sample Vials, Standard Vials, with Caps, 40 mL, 72/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-micro-clear-203-borosilicate-glass-ungraduated-screw-thread-with-open-top-closure-ptfe-faced-silicon-septum-40-ml-72-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-51_44e100ef-24a2-4a0a-bc50-dbf5f36621fd.png?v=1784696800</image:loc>
      <image:title>Vial, Micro, Clear, 203 Borosilicate Glass, Ungraduated, Screw Thread, with Open Top Closure/PTFE-Faced Silicon Septum, 40 mL, 72/PK</image:title>
      <image:caption>Vial, Micro, Clear, 203 Borosilicate Glass, Ungraduated, Screw Thread, with Open Top Closure/PTFE-Faced Silicon Septum, 40 mL, 72/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-40-ml-clear-certified-preserved-voa-with-25-mg-ascorbic-acid-and-pp-septa-cap-72-cs-qec-3112-40ml-cpaa-a-25-72</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-53.png?v=1784777486</image:loc>
      <image:title>Vial, 40 mL Clear Certified Preserved VOA, with 25 mg Ascorbic Acid and PP Septa Cap, 72/CS, QEC, 3112-40ML/CPAA-A-25-72</image:title>
      <image:caption>Vial, 40 mL Clear Certified Preserved VOA, with 25 mg Ascorbic Acid and PP Septa Cap, 72/CS, QEC, 3112-40ML/CPAA-A-25-72</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/60-ml-amber-open-top-voa-vial-level-3-with-5-mg-ammonium-chloride-72-cs</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-54_4e0a1dc4-3fce-4dec-9f66-04b15c3898ec.png?v=1784696803</image:loc>
      <image:title>60 mL Amber Open Top VOA Vial (Level 3), with 5 mg Ammonium Chloride,  72/CS</image:title>
      <image:caption>60 mL Amber Open Top VOA Vial (Level 3), with 5 mg Ammonium Chloride,  72/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-epa-cleaned-40-ml-clear-with-0-5-ml-h2so4-preservative-72-cs-qec-2112-40ml-h2so4-1-0-5-72</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-55.png?v=1784696804</image:loc>
      <image:title>Vial, EPA Cleaned, 40 mL Clear with 0.5 mL H2SO4 Preservative, 72/CS, QEC, 2112-40ML/H2SO4-1-0.5-72</image:title>
      <image:caption>Vial, EPA Cleaned, 40 mL Clear with 0.5 mL H2SO4 Preservative, 72/CS, QEC, 2112-40ML/H2SO4-1-0.5-72</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-40-ml-amber-certified-preserved-voa-with-25-mg-ascorbic-acid-and-pp-septa-cap-72-cs-qec-3122-40ml-cpaa-a-25-72</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-56.png?v=1784777487</image:loc>
      <image:title>Vial, 40 mL Amber Certified Preserved VOA, with 25 mg Ascorbic Acid and PP Septa Cap, 72/CS, QEC, 3122-40ML/CPAA-A-25-72</image:title>
      <image:caption>Vial, 40 mL Amber Certified Preserved VOA, with 25 mg Ascorbic Acid and PP Septa Cap, 72/CS, QEC, 3122-40ML/CPAA-A-25-72</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/voa-vial-open-topped-amber-glass-40-ml-assembled-package-of-72</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5079-51.png?v=1785286862</image:loc>
      <image:title>VOA Vial, Open Topped, Amber Glass, 40 mL, Assembled (Package of 72)</image:title>
      <image:caption>VOA Vial, Open Topped, Amber Glass, 40 mL, Assembled (Package of 72)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vials-clear-chromatography-auto-sample-12-x-32-package-of-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-12.png?v=1784696808</image:loc>
      <image:title>Vials, Clear, Chromatography, Auto Sampler, Wide Opening, 12 x 32, 100/PK, Quality Environmental Containers, QIV-C-011-001-3</image:title>
      <image:caption>Vials, Clear, Chromatography, Auto Sampler, Wide Opening, 12 x 32, 100/PK, Quality Environmental Containers, QIV-C-011-001-3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vial-11-mm-2-ml-amber-crimp-top-chromatography-100-pk-qec-qiv-a-011-001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-15_13a3476e-c5a8-4ee5-b68b-06f8710554a2.png?v=1784696810</image:loc>
      <image:title>Vial, 11 mm 2 mL Amber Crimp-Top Chromatography, 100/PK, QEC, QIV.A.011.001</image:title>
      <image:caption>Vial, 11 mm 2 mL Amber Crimp-Top Chromatography, 100/PK, QEC, QIV.A.011.001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crimp-cap-silver-alumninum-with-natural-ptfe-natural-silicone-septa-11-mm-100-pk-qec-qp3242-011-720a</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-16_c06d423e-6e89-49cf-a2a5-a72f6f9840c5.png?v=1784696811</image:loc>
      <image:title>Crimp Cap, Silver Alumninum with Natural PTFE/Natural Silicone Septa, 11 mm, 100/PK, QEC, QP3242.011.720A</image:title>
      <image:caption>Crimp Cap, Silver Alumninum with Natural PTFE/Natural Silicone Septa, 11 mm, 100/PK, QEC, QP3242.011.720A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-nextgen-v-vial-3-ml-graduated-glass-solid-top-ptfe-rubber-lined-12-cs-dwk-w986277ng</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5102-10_6cf38396-7f5f-4a63-8d92-d4d2ad391a56.png?v=1784696813</image:loc>
      <image:title>Wheaton NextGen V Vial, 3 mL, Graduated, Glass, Solid  Top, PTFE/Rubber-Lined, 12/CS, DWK, W986277NG</image:title>
      <image:caption>Wheaton NextGen V Vial, 3 mL, Graduated, Glass, Solid  Top, PTFE/Rubber-Lined, 12/CS, DWK, W986277NG</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/mininert-valves-for-20-mm-septum-vials-12-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5102-11.png?v=1784696814</image:loc>
      <image:title>Mininert Valves for 20 mm Septum Vials, 12/PK</image:title>
      <image:caption>Mininert Valves for 20 mm Septum Vials, 12/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-flask-for-automatic-wash-bottle-kool-grip-1000-ml-pump-apparatus-at-top-not-included</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5124-02.png?v=1784696816</image:loc>
      <image:title>Replacement Flask, for Automatic Wash Bottle, Kool-Grip, 1000 mL [PUMP APPARATUS AT TOP NOT INCLUDED}</image:title>
      <image:caption>Replacement Flask, for Automatic Wash Bottle, Kool-Grip, 1000 mL [PUMP APPARATUS AT TOP NOT INCLUDED}</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-red-polypropylene-pp-cap-assembly-125-ml-ea-sp-bel-art-products-f11613-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-71.png?v=1784696817</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene (PP) Cap Assembly, 125 mL, EA, SP Bel-Art Products, F11613-0125</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene (PP) Cap Assembly, 125 mL, EA, SP Bel-Art Products, F11613-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/narrow-mouth-polyethylene-wash-bottle-with-red-cap-250-ml-bel-art-products-f11613-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-78_c6e5e46f-dd06-4a12-aacb-d7709244c835.png?v=1784696818</image:loc>
      <image:title>Narrow-Mouth, Polyethylene Wash Bottle with Red Cap, 250 mL, Bel Art Products, F11613-0250</image:title>
      <image:caption>Narrow-Mouth, Polyethylene Wash Bottle with Red Cap, 250 mL, Bel Art Products, F11613-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-red-polypropylene-cap-assembly-500-ml-6-pk-bel-art-products-f11613-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-81_6e451f72-fbb3-4604-b2b8-8d93a1f6f791.png?v=1784696820</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 500 mL, 6/PK, Bel Art Products, F11613-0500</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 500 mL, 6/PK, Bel Art Products, F11613-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-red-polypropylene-cap-assembly-1000-ml-sp-bel-art-products-f11613-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-86.png?v=1784696822</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 1000 mL, SP Bel-Art Products, F11613-1000</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 1000 mL, SP Bel-Art Products, F11613-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-blue-polypropylene-cap-assembly-250-ml-6-pk-sp-bel-art-products-f11615-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-78_2bc0a70d-53ed-48c1-b96a-23dec5e4c3ad.png?v=1784696824</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Polypropylene Cap Assembly, 250 mL, 6/PK, SP Bel Art Products, F11615-0250</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Polypropylene Cap Assembly, 250 mL, 6/PK, SP Bel Art Products, F11615-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-blue-propylene-pp-cap-assembly-500-ml-6-pk-sp-bel-art-products-f11615-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-81_3e0f6721-e491-49f6-a4f4-c3867f2347ee.png?v=1784696826</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Propylene (PP) Cap Assembly, 500 mL, 6/PK, SP Bel-Art Products, F11615-0500</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Propylene (PP) Cap Assembly, 500 mL, 6/PK, SP Bel-Art Products, F11615-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-blue-polypropylene-pp-cap-1000-ml-sp-bel-art-products-f11615-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-86_c69646b6-062e-4070-a55b-fa5ba0c98618.png?v=1784696827</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Polypropylene (PP) Cap, 1000 mL, SP Bel-Art Products, F11615-1000</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Blue Polypropylene (PP) Cap, 1000 mL, SP Bel-Art Products, F11615-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-green-polypropylene-pp-cap-assembly-500-ml-6-pk-bel-art-products-f11617-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5158-81.png?v=1784696829</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Green Polypropylene (PP) Cap Assembly, 500 mL, 6/PK, Bel Art Products, F11617-0500</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Green Polypropylene (PP) Cap Assembly, 500 mL, 6/PK, Bel Art Products, F11617-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-yellow-polypropylene-pp-cap-assembly-250-ml-sp-bel-art-products-f11614-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5159-78_f58dfcdb-4295-4acc-9c93-3905c90b65cf.png?v=1784696830</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Yellow Polypropylene (PP) Cap Assembly, 250 mL, SP Bel-Art Products, F11614-0250</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Yellow Polypropylene (PP) Cap Assembly, 250 mL, SP Bel-Art Products, F11614-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-yellow-polypropylene-pp-cap-assembly-500-ml-sp-bel-art-products-f11614-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5159-81_a7b300d3-786c-4c3d-9c15-8504b3743274.png?v=1784696832</image:loc>
      <image:title>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Yellow Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11614-0500</image:title>
      <image:caption>Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Yellow Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11614-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-stem-and-polypropylene-copolymer-ppco-draw-tube-125-ml-thermo-scientific-2401-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-60.png?v=1784696833</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 125 mL, Thermo Scientific, 2401-0125</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 125 mL, Thermo Scientific, 2401-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-stem-and-polypropylene-copolymer-ppco-draw-tube-250-ml-thermo-scientific-2401-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-62_43c50e4b-8470-41a8-9d15-8384ca078579.png?v=1784696835</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 250 mL, Thermo Scientific, 2401-0250</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 250 mL, Thermo Scientific, 2401-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-stem-and-polypropylene-copolymer-ppco-draw-tube-500-ml-thermo-scientific-2401-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-64.png?v=1784696836</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 500 mL, Thermo Scientific, 2401-0500</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 500 mL, Thermo Scientific, 2401-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-low-density-polyethylene-ldpe-with-polypropylene-pp-screw-closure-stem-and-polypropylene-copolymer-ppco-draw-tube-1000-ml-thermo-scientific-2401-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-66_94e95b78-561b-4f95-b32a-3e84875fe7a8.png?v=1784696838</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 1000 mL, Thermo Scientific, 2401-1000</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Low-Density Polyethylene (LDPE) with Polypropylene (PP) Screw Closure/Stem, and Polypropylene Copolymer (PPCO) Draw Tube, 1000 mL, Thermo Scientific, 2401-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-closure-stem-draw-tube-500-ml-thermo-scientific-2405-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5163-81.png?v=1784696839</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Closure/Stem/Draw Tube, 500 mL, Thermo Scientific, 2405-0500</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Closure/Stem/Draw Tube, 500 mL, Thermo Scientific, 2405-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-narrow-mouth-polypropylene-copolymer-ppco-with-polypropylene-pp-closure-stem-draw-tube-1000-ml-thermo-scientific-2405-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5163-86_b156dc6e-b548-41bc-903f-d147b8d09662.png?v=1784696841</image:loc>
      <image:title>Nalgene Wash Bottle, Narrow-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Closure/Stem/Draw Tube, 1000 mL, Thermo Scientific, 2405-1000</image:title>
      <image:caption>Nalgene Wash Bottle, Narrow-Mouth, Polypropylene Copolymer (PPCO) with Polypropylene (PP) Closure/Stem/Draw Tube, 1000 mL, Thermo Scientific, 2405-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-teflon-fluorinated-ethylene-propylene-fep-with-ethylene-tetrafluoroethylene-etfe-cap-stem-and-draw-tube-narrow-mouth-125-ml-1-pk-or-4-cs-thermo-scientific-2403-0125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-71_38fef19e-2450-467e-8aa6-343056e5f2e7.png?v=1784696842</image:loc>
      <image:title>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 125 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0125</image:title>
      <image:caption>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 125 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-teflon-fluorinated-ethylene-propylene-fep-with-ethylene-tetrafluoroethylene-etfe-cap-stem-and-draw-tube-narrow-mouth-250-ml-1-pk-or-4-cs-thermo-scientific-2403-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-78_87ba65c3-6da1-4450-903e-f0530b99c164.png?v=1784696844</image:loc>
      <image:title>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 250 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0250</image:title>
      <image:caption>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 250 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-teflon-fluorinated-ethylene-propylene-fep-with-ethylene-tetrafluoroethylene-etfe-cap-stem-and-draw-tube-narrow-mouth-500-ml-1-pk-or-4-cs-thermo-scientific-2403-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-81_1db23cf1-9bae-45c7-9ce6-15979fb1fcce.png?v=1784696845</image:loc>
      <image:title>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 500 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0500</image:title>
      <image:caption>Nalgene Wash Bottle, Teflon Fluorinated Ethylene Propylene (FEP) with Ethylene Tetrafluoroethylene (ETFE) Cap, Stem and Draw Tube, Narrow-Mouth, 500 mL, 1/PK or 4/CS, Thermo Scientific, 2403-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/spray-mist-bottle-16-oz-with-trigger-spray</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-01_d581ec8e-be4b-4b11-90dd-c7605dcd4a6c.png?v=1784696846</image:loc>
      <image:title>Spray Mist Bottle, 16 oz., with Trigger Spray</image:title>
      <image:caption>Spray Mist Bottle, 16 oz., with Trigger Spray</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-with-spray-assembly-32-oz</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-03.png?v=1784696848</image:loc>
      <image:title>Bottle with Spray Assembly, 32 oz.</image:title>
      <image:caption>Bottle with Spray Assembly, 32 oz.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tolco-28-400-hunter-green-polypropylene-model-300-spray-head-with-7-1-4-in-dip-tube-only-180113</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-06_ab01d4ef-b025-4bd3-aee4-611e7d5ba619.png?v=1784696849</image:loc>
      <image:title>Tolco 28/400 Hunter Green Polypropylene Model 300 Spray Head with 7-1/4 in. Dip Tube Only, 180113</image:title>
      <image:caption>Tolco 28/400 Hunter Green Polypropylene Model 300 Spray Head with 7-1/4 in. Dip Tube Only, 180113</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-wide-mouth-low-density-natural-polyethylene-ldpe-with-polypropylene-pp-cap-assembly-500-ml-sp-bel-art-products-f11620-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5168-81_efbb9ddc-ca24-4e3b-bffa-75c82dd47814.png?v=1784696851</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low Density Natural Polyethylene (LDPE) with Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11620-0500</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low Density Natural Polyethylene (LDPE) with Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11620-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-wide-mouth-low-density-natural-polyethylene-ldpe-with-polypropylene-pp-cap-assembly-1000-ml-sp-bel-art-products-f11620-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5168-86_687a50a4-53e1-47ed-a330-fe36e9eded50.png?v=1784696852</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low Density Natural Polyethylene (LDPE) with Polypropylene (PP) Cap Assembly, 1000 mL, SP Bel Art Products, F11620-1000</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low Density Natural Polyethylene (LDPE) with Polypropylene (PP) Cap Assembly, 1000 mL, SP Bel Art Products, F11620-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-bottle-with-stopper-tall-style-40-mm-inside-diameter-x-50-mm-height-15145-4050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5172-06_65bcd6f1-c411-493d-9069-bdf397bc5454.png?v=1784696854</image:loc>
      <image:title>Weighing Bottle with Stopper, Tall Style, 40 mm Inside Diameter. x 50 mm Height, 15145-4050</image:title>
      <image:caption>Weighing Bottle with Stopper, Tall Style, 40 mm Inside Diameter. x 50 mm Height, 15145-4050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-polyethylene-wash-bottle-with-red-cap-1000-ml-bel-art-products-f11625-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5174-86_ab8b165f-af9f-4e85-9206-38aa03b34f9d.png?v=1784696855</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 1000 mL, SP Bel-Art Products, F11625-1000</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) with Red Polypropylene Cap Assembly, 1000 mL, SP Bel-Art Products, F11625-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-methyl-ethyl-ketone-with-green-polypropylene-cap-500-ml-bel-art-products-f11646-0611</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-02.png?v=1784696856</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) 2-Colored, Safety-Labeled Wash Bottle,  Labeled Methyl Ethyl Ketone, with Green Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0611</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) 2-Colored, Safety-Labeled Wash Bottle,  Labeled Methyl Ethyl Ketone, with Green Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0611</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-soap-with-blue-polypropylene-cap-no-diamond-500-ml-bel-art-products-f11646-0614</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-05_80be85f8-5ae9-4a90-9d0b-a0e714f86584.png?v=1784696858</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled, Labeled Soap, with Blue Polypropylene Cap Assembly (No Diamond), 500 mL, Bel Art Products, F11646-0614</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled, Labeled Soap, with Blue Polypropylene Cap Assembly (No Diamond), 500 mL, Bel Art Products, F11646-0614</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-water-with-blue-polypropylene-cap-500-ml-16-oz-bel-art-products-f11646-0621</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-06_6ad896c6-7186-4d9b-a2f5-a49d7f5086e7.png?v=1784696860</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE), Safety-Labeled Water with Blue Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0621</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE), Safety-Labeled Water with Blue Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0621</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-acetone-with-red-polypropylene-cap-500-ml-16-oz-bel-art-products-f11646-0622</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-07_b49b8454-9b90-495a-8784-5de255a7bf78.png?v=1784696861</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled  Acetone with Red Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0622</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled  Acetone with Red Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0622</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-methanol-with-green-polypropylene-cap-500-ml-16-oz-6-pk-bel-art-products-f11646-0623</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-08_2045e112-0f32-44ce-b286-a7e18dc1e523.png?v=1784696862</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Methanol with Green Polypropylene (PP) Cap Assembly, 500 mL, Bel Art Products, F11646-0623</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Methanol with Green Polypropylene (PP) Cap Assembly, 500 mL, Bel Art Products, F11646-0623</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-isopropanol-with-yellow-polypropylene-cap-500-ml-16-oz-6-pk-bel-art-products-f11646-0624</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-09_11183129-7228-4714-93b1-a9eb7f667ac0.png?v=1784696864</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Isopropanol, with Yellow Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11646-0624</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Isopropanol, with Yellow Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11646-0624</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-ethanol-with-natural-polypropylene-cap-500-ml-16-oz-6-pk-bel-art-products-f11646-0639</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-13_720f5f4e-b598-445c-bf4d-5c997125e661.png?v=1784696866</image:loc>
      <image:title>Wash Bottle, Wide-Mouth,Low-density Polyethylene (LDPE) Safety-Labeled Ethanol, with Natural Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11646-0639</image:title>
      <image:caption>Wash Bottle, Wide-Mouth,Low-density Polyethylene (LDPE) Safety-Labeled Ethanol, with Natural Polypropylene (PP) Cap Assembly, 500 mL, SP Bel Art Products, F11646-0639</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bel-art-wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-label-your-own-bottle-lyob-with-natural-polypropylene-cap-500-ml-16-oz-bel-art-products-f11646-0638</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-16_769f8b37-4fe2-4d62-9417-760129f4f857.png?v=1784696867</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) Safety-Labeled, Label-Your-Own-Bottle (LYOB) with Natural Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0638</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) Safety-Labeled, Label-Your-Own-Bottle (LYOB) with Natural Polypropylene (PP) Cap Assembly, 500 mL, SP Bel-Art Products, F11646-0638</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-deionized-water-with-blue-polypropylene-cap-500-ml-16-oz-bel-art-products-f11646-0631</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-18.png?v=1784696868</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) Safety-Labeled Deionized Water, with Blue Polypropylene (PP) Cap, 500 mL, 6/PK, SP Bel-Art Products, F11646-0631</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-Density Polyethylene (LDPE) Safety-Labeled Deionized Water, with Blue Polypropylene (PP) Cap, 500 mL, 6/PK, SP Bel-Art Products, F11646-0631</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-wash-bottle-labeled-saline-with-natural-polypropylene-cap-no-diamond-500-ml-6-pk-bel-art-products-f11646-0617</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-20.png?v=1784696871</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Saline, with Natural Polypropylene (PP) Cap, (No Diamond), 500 mL, SP Bel-Art Products, F11646-0617</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled Saline, with Natural Polypropylene (PP) Cap, (No Diamond), 500 mL, SP Bel-Art Products, F11646-0617</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vented-wash-bottle-500-ml-ldpe-for-acetone</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5180-04_d38a2f87-0876-4d58-bf3d-c27e246c47e2.png?v=1784696873</image:loc>
      <image:title>Wash Bottle, Vented, Low-Density Polyethylene (LDPE) for Acetone, with Red Cap Assembly, 500 mL,  Dynalon Labware, 506495-0001</image:title>
      <image:caption>Wash Bottle, Vented, Low-Density Polyethylene (LDPE) for Acetone, with Red Cap Assembly, 500 mL,  Dynalon Labware, 506495-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vented-wash-bottle-500-ml-ldpe-for-ethanol</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5180-07_27fa2621-8e00-4af7-8480-6c8d180de4fd.png?v=1784696875</image:loc>
      <image:title>Wash Bottle, Vented, Low-Density Polyethylene (LDPE) for Ethanol with Orange Polypropylene (PP)  Cap Assembly, 500 mL, Dynalon Labware, 506465-0002</image:title>
      <image:caption>Wash Bottle, Vented, Low-Density Polyethylene (LDPE) for Ethanol with Orange Polypropylene (PP)  Cap Assembly, 500 mL, Dynalon Labware, 506465-0002</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/right-to-know-wash-bottle-500-ml-for-methylene-chloride</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5181-04_2293a005-a417-4b5d-a424-cad183f69685.png?v=1784696876</image:loc>
      <image:title>Right-To-Know Wash Bottle 500 mL for Methylene Chloride</image:title>
      <image:caption>Right-To-Know Wash Bottle 500 mL for Methylene Chloride</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tall-cylindrical-weighing-bottle-with-cap-25-mm-inside-diameter-x-40-mm-15146-2540</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-04_a2b0dfd0-d59c-4c3f-9228-c5762aa3330d.png?v=1784696878</image:loc>
      <image:title>Weighing Bottle, Tall Cylindrical with Cap, 25 mm Inside Diameter x 40 mm, 15146-2540</image:title>
      <image:caption>Weighing Bottle, Tall Cylindrical with Cap, 25 mm Inside Diameter x 40 mm, 15146-2540</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-bottle-with-stopper-tall-cylindrical-style-30-x-60-mm-15146-3060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-06_f87161f5-d28c-4dc4-81b7-073ae3c46361.png?v=1784696881</image:loc>
      <image:title>Weighing Bottle, with Stopper, Tall Cylindrical Style, 30 x 60 mm, 15146-3060</image:title>
      <image:caption>Weighing Bottle, with Stopper, Tall Cylindrical Style, 30 x 60 mm, 15146-3060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-wide-mouth-fluorinated-hdpe-solvent-500-ml-2-pk-nalgene-2421-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-81_0f68c256-39b4-409a-ac69-4da61566125f.png?v=1784696887</image:loc>
      <image:title>Nalgene Wash Bottle, Wide Mouth, Fluorinated High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap Assembly, Labeled Solvent, Self-Vented, 500 mL, 2/PK, Thermo Scientific, 2421-0500</image:title>
      <image:caption>Nalgene Wash Bottle, Wide Mouth, Fluorinated High-Density Polyethylene (HDPE) with Polypropylene (PP) Cap Assembly, Labeled Solvent, Self-Vented, 500 mL, 2/PK, Thermo Scientific, 2421-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-and-safety-vented-wash-bottle-labeled-acetone-with-red-polypropylene-cap-500-ml-16-oz-3-pk-bel-art-products-f11642-0622</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-01_c0b6004a-c6c3-47cd-b6bc-fcb1d35b1bb7.png?v=1784696889</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Red Polypropylene (PP) Cap Assembly,  Labeled Acetone with Red Polypropylene Cap, 500 mL, 3/PK, SP Bel-Art Products, F11642-0622</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Red Polypropylene (PP) Cap Assembly,  Labeled Acetone with Red Polypropylene Cap, 500 mL, 3/PK, SP Bel-Art Products, F11642-0622</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-and-safety-vented-wash-bottle-label-your-own-bottle-lyob-with-natural-polypropylene-cap-500-ml-16-oz-3-pk-bel-art-products-f11642-0638</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-05_d897a9d4-adca-45ff-89d0-8f15e7c90bdb.png?v=1784696890</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Natural Polypropylene (PP) Cap Assembly, Label-Your-Own-Bottle (LYOB), 500 mL, 3/PK, SP Bel-Art Products, F11642-0638</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Natural Polypropylene (PP) Cap Assembly, Label-Your-Own-Bottle (LYOB), 500 mL, 3/PK, SP Bel-Art Products, F11642-0638</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-translucent-low-density-polyethylene-safety-labeled-and-safety-vented-wash-bottle-labeled-methanol-with-green-polypropylene-cap-500-ml-16-oz-3-pk-bel-art-products-f11642-0623</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-06_aa2a3162-dc97-4751-8eb5-fd5ed721aea5.png?v=1784696891</image:loc>
      <image:title>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Green Polypropylene (PP) Cap Assembly, Labeled Methanol, 500 mL, 3/PK, SP Bel-Art Products, F11642-0623</image:title>
      <image:caption>Wash Bottle, Wide-Mouth, Low-density Polyethylene (LDPE) Safety-Labeled and Safety-Vented with Green Polypropylene (PP) Cap Assembly, Labeled Methanol, 500 mL, 3/PK, SP Bel-Art Products, F11642-0623</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-vented-unitary-right-to-know-rtk-natural-low-density-polyethylene-ldpe-with-red-color-coded-polypropylene-pp-cap-acetone-cylindrical-narrow-mouth-500-ml-4-pk-or-24-cs-thermo-scientific-2436-0501</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-01_fd656ba2-cbea-4e82-9357-b6e40f3cae2b.png?v=1784696896</image:loc>
      <image:title>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Red Color-Coded Polypropylene (PP) Cap, Acetone, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0501</image:title>
      <image:caption>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Red Color-Coded Polypropylene (PP) Cap, Acetone, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0501</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-vented-unitary-right-to-know-rtk-natural-low-density-polyethylene-ldpe-with-green-color-coded-polypropylene-pp-cap-methanol-cylindrical-narrow-mouth-500-ml-4-pk-or-24-cs-thermo-scientific-2436-0503</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-03_8c6ad084-127d-4795-b025-7ec4da142960.png?v=1784696897</image:loc>
      <image:title>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Green Color-Coded Polypropylene (PP) Cap, Methanol, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0503</image:title>
      <image:caption>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Green Color-Coded Polypropylene (PP) Cap, Methanol, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0503</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-vented-unitary-right-to-know-rtk-natural-low-density-polyethylene-ldpe-with-yellow-color-coded-polypropylene-pp-cap-isopropanol-cylindrical-narrow-mouth-500-ml-4-pk-or-24-cs-thermo-scientific-2436-0504</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-04_3ae87463-1c1d-4a5b-bafb-e45a68f81394.png?v=1784696899</image:loc>
      <image:title>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Yellow Color-Coded Polypropylene (PP) Cap, Isopropanol, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0504</image:title>
      <image:caption>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Yellow Color-Coded Polypropylene (PP) Cap, Isopropanol, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0504</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-vented-unitary-right-to-know-rtk-natural-low-density-polyethylene-ldpe-with-natural-color-coded-polypropylene-pp-cap-distilled-water-cylindrical-narrow-mouth-500-ml-4-pk-or-24-cs-thermo-scientific-2436-0505</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-05.png?v=1784696900</image:loc>
      <image:title>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Natural Color-Coded Polypropylene (PP) Cap, Distilled Water, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0505</image:title>
      <image:caption>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Natural Color-Coded Polypropylene (PP) Cap, Distilled Water, Cylindrical, Narrow-Mouth, 500 mL, 4/PK or 24/CS, Thermo Scientific, 2436-0505</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-wash-bottle-vented-unitary-right-to-know-rtk-natural-low-density-polyethylene-ldpe-with-natural-color-coded-polypropylene-pp-cap-distilled-water-cylindrical-narrow-mouth-1-l-2-pk-or-12-cs-thermo-scientific-2436-1005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5198-05_08012a25-cb55-42b9-a0f0-4413f9b77c2a.png?v=1784696901</image:loc>
      <image:title>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Natural Color-Coded Polypropylene (PP) Cap, Distilled Water, Cylindrical, Narrow-Mouth, 1 L, 2/PK or 12/CS, Thermo Scientific, 2436-1005</image:title>
      <image:caption>Nalgene Wash Bottle, Vented Unitary Right-to-Know (RTK), Natural Low-Density Polyethylene (LDPE) with Natural Color-Coded Polypropylene (PP) Cap, Distilled Water, Cylindrical, Narrow-Mouth, 1 L, 2/PK or 12/CS, Thermo Scientific, 2436-1005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-polyethylene-2oz-24-410-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-02_255a1a70-2a5b-4eb6-9a5e-a475885756c3.png?v=1784696903</image:loc>
      <image:title>Bottle, Boston Round, Narrow Mouth, Polyethylene, 2 oz. (24-410 Cap Required), QEC, 0211-0002B</image:title>
      <image:caption>Bottle, Boston Round, Narrow Mouth, Polyethylene, 2 oz. (24-410 Cap Required), QEC, 0211-0002B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-polyethylene-4-oz-24-410-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-03_f15189e4-9070-41ed-96d1-590e0b808c42.png?v=1784696904</image:loc>
      <image:title>Bottle, Boston Round, Narrow Mouth, Polyethylene, 4 oz. (24-410 Cap Required)</image:title>
      <image:caption>Bottle, Boston Round, Narrow Mouth, Polyethylene, 4 oz. (24-410 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-polyethylene-8-oz-24-410-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-04_f7981fad-a81f-4375-aac3-6414a2eca6b4.png?v=1784696906</image:loc>
      <image:title>Bottle, Boston Round, Narrow Mouth, Polyethylene, 8 oz. (24-410 Cap Required)</image:title>
      <image:caption>Bottle, Boston Round, Narrow Mouth, Polyethylene, 8 oz. (24-410 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-polyethylene-16-oz-28-400-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-05_a30fd466-6764-4b74-98b5-44d0dd7dad33.png?v=1784696908</image:loc>
      <image:title>Bottle, Boston Round, Narrow Mouth, Low-Density Polyethylene (LDPE), 16 oz. (28-400 Cap Required),  Cincinnati Container, 20016NH</image:title>
      <image:caption>Bottle, Boston Round, Narrow Mouth, Low-Density Polyethylene (LDPE), 16 oz. (28-400 Cap Required),  Cincinnati Container, 20016NH</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-boston-round-narrow-mouth-polyethylene-1-l-28-410-cap-required</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-06_08ef7106-4d4d-474f-af7a-58a63145254c.png?v=1784696909</image:loc>
      <image:title>Bottle, Boston Round, Narrow Mouth, Polyethylene, 1 L (28-410 Cap Required)</image:title>
      <image:caption>Bottle, Boston Round, Narrow Mouth, Polyethylene, 1 L (28-410 Cap Required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-polystrene-without-cap-2-oz-53-mm-neck</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-17_bc889662-e787-4647-a8c4-c7ff2359cb0a.png?v=1784696910</image:loc>
      <image:title>Bottle, Polystrene, without Cap, 2 oz. 53 mm Neck</image:title>
      <image:caption>Bottle, Polystrene, without Cap, 2 oz. 53 mm Neck</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wide-mouth-clear-polystyrene-jars-4-oz-without-cap-58-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-22_4ba29d03-6664-463b-9b93-dd7a8f9120d8.png?v=1784696912</image:loc>
      <image:title>Wide Mouth Clear Polystyrene Jars, 4 oz without Cap (58/400)</image:title>
      <image:caption>Wide Mouth Clear Polystyrene Jars, 4 oz without Cap (58/400)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-polystrene-without-cap-8-oz</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-26_3918c3c9-396a-45f1-b2f5-78e05cb54fcf.png?v=1784696914</image:loc>
      <image:title>Bottle, Polystrene, without Cap, 8 oz.</image:title>
      <image:caption>Bottle, Polystrene, without Cap, 8 oz.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-16-oz-p-s-without-cap-89-mm-neck</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-35_88ab1755-f57e-4ced-a50d-4167b950b9af.png?v=1784696915</image:loc>
      <image:title>Bottle, 16  oz., P/S, without Cap (89 mm neck)</image:title>
      <image:caption>Bottle, 16  oz., P/S, without Cap (89 mm neck)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reagent-acid-pump-dispenser-plastic-for-bottles-with-38-430-or-38-400-neck-finish-bel-art-products-f11656-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6438-01_444e6e79-0930-426e-80da-623246f92f29.png?v=1784696916</image:loc>
      <image:title>Reagent/Acid Pump Dispenser, Plastic, for Bottles with 38-430 or 38-400 Neck Finish, SP Bel Art Products, F11656-0000</image:title>
      <image:caption>Reagent/Acid Pump Dispenser, Plastic, for Bottles with 38-430 or 38-400 Neck Finish, SP Bel Art Products, F11656-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-4-l-bottle-carrier-6501-4000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6440-04_8b61f348-55a2-4a5b-a129-15e578988ce3.png?v=1784696918</image:loc>
      <image:title>Nalgene Bottle Carrier, Low-Density Polyethylene (LDPE) with Epoxy-Coated Handle, 4 L, Thermo Scientific, 6501-4000</image:title>
      <image:caption>Nalgene Bottle Carrier, Low-Density Polyethylene (LDPE) with Epoxy-Coated Handle, 4 L, Thermo Scientific, 6501-4000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stackable-bottle-carrier-with-cover-six-500-ml-bottle-capacity-nalgene-6505-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6442-01_64626884-b467-4c0e-9aff-e72ac10096f0.png?v=1784696919</image:loc>
      <image:title>Bottle Carrier with Cover, Stackable, 6 Positions for 500 mL Bottle, Linear Low-Density Polyethylene (LLDPE), Thermo Scientific, 6505-0010</image:title>
      <image:caption>Bottle Carrier with Cover, Stackable, 6 Positions for 500 mL Bottle, Linear Low-Density Polyethylene (LLDPE), Thermo Scientific, 6505-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-carrier-high-density-polyethylene-6-place-14-5-in-x-7-5-in-x-6-25-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-02_934ac161-35d1-4ede-8021-991e9dbeb119.png?v=1784696921</image:loc>
      <image:title>Bottle Carrier, High-Density Polyethylene (HDPE), 6 Place for 1000 mL Bottles, Dynalon Labware, 165034</image:title>
      <image:caption>Bottle Carrier, High-Density Polyethylene (HDPE), 6 Place for 1000 mL Bottles, Dynalon Labware, 165034</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-carrier-high-density-polyethylene-2-place-14-5-in-x-7-5-in-x-6-25-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-03.png?v=1784696923</image:loc>
      <image:title>Bottle Carrier, High Density Polyethylene, 2 Place for 2000 mL Bottles, Dynalon Labware, 165044</image:title>
      <image:caption>Bottle Carrier, High Density Polyethylene, 2 Place for 2000 mL Bottles, Dynalon Labware, 165044</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-carrier-high-density-polyethylene-8-place-14-5-in-x-7-5-in-x-6-25-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-04.png?v=1784696924</image:loc>
      <image:title>Bottle Carrier, High Density Polyethylene, 8 Place for 500 mL Bottles, Dynalon Labware, 165054</image:title>
      <image:caption>Bottle Carrier, High Density Polyethylene, 8 Place for 500 mL Bottles, Dynalon Labware, 165054</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-tote-safety-carrier-2-5-liter-4-liter-bottles-red-eagle-thermoplastics-b-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-11_9d02aa01-84ff-44cd-b8e0-1b44b48f371b.png?v=1784696925</image:loc>
      <image:title>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, Red, Eagle Thermoplastics, B-100</image:title>
      <image:caption>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, Red, Eagle Thermoplastics, B-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-tote-safety-carrier-2-5-liter-4-liter-bottles-black-eagle-thermoplastics-b-102</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-13_78ef1ce3-b02c-4bce-96d9-173e4d23aed1.png?v=1784696927</image:loc>
      <image:title>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, Black, Eagle Thermoplastics, B-102</image:title>
      <image:caption>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, Black, Eagle Thermoplastics, B-102</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-tote-safety-carrier-2-5-liter-4-liter-bottles-white-eagle-thermoplastics-b-101</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-14_d913cc00-490a-4bff-b45e-841826c68413.png?v=1784696928</image:loc>
      <image:title>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, White, Eagle Thermoplastics, B-101</image:title>
      <image:caption>Bottle Tote Safety Carrier, For 2.5 Liter &amp; 4 Liter Acid and Solvent Bottles, White, Eagle Thermoplastics, B-101</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/safety-bottle-tote-red-500-or-1000-ml-bottle-eagle-thermoplastics-b-100-1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-15.png?v=1784696930</image:loc>
      <image:title>Safety Bottle Tote, Red, for 500 or 1000 mL Acid and Solvent Bottle, Eagle Thermoplastics, B-100-1</image:title>
      <image:caption>Safety Bottle Tote, Red, for 500 or 1000 mL Acid and Solvent Bottle, Eagle Thermoplastics, B-100-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/safety-bottle-tote-black-500-or-1000-ml-bottle-eagle-thermoplastics-b-102-1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-16.png?v=1784696931</image:loc>
      <image:title>Safety Bottle Tote, Black, for 500 or 1000 mL Acid and Solvent Bottle, Eagle Thermoplastics, B-102-1</image:title>
      <image:caption>Safety Bottle Tote, Black, for 500 or 1000 mL Acid and Solvent Bottle, Eagle Thermoplastics, B-102-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wash-bottle-carrier-polypropylene-for-six-250-or-500-ml-bottles-bel-art-products-f11640-0001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6454-11.png?v=1784696933</image:loc>
      <image:title>Wash Bottle Carrier, Polypropylene, for Six 250 or 500 mL Bottles, Bel Art Products, F11640-0001</image:title>
      <image:caption>Wash Bottle Carrier, Polypropylene, for Six 250 or 500 mL Bottles, Bel Art Products, F11640-0001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/utility-box-system-750-ml-2-pk-5700-0750</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6524-09_ad4d3708-2f2f-4bb8-be03-135c9733f0e0.png?v=1784696934</image:loc>
      <image:title>Utility Box System, 750 mL, 2/PK 5700-0750</image:title>
      <image:caption>Utility Box System, 750 mL, 2/PK 5700-0750</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/brush-bristle-flat-1-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6690-12_3d35ceab-f337-457e-ab85-0ea69ca610ca.png?v=1784696936</image:loc>
      <image:title>Brush, Bristle, Flat, 1 in.</image:title>
      <image:caption>Brush, Bristle, Flat, 1 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/brush-mold-nylon</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6820-01_352f4116-5810-4ce1-bc82-6951371dbd12.png?v=1784696937</image:loc>
      <image:title>Brush, Mold, Nylon, ALB-1641</image:title>
      <image:caption>Brush, Mold, Nylon, ALB-1641</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/brush-babcock-cream-test-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6940-01_f37f54fe-d15a-47b3-a3f3-d5f5db135082.png?v=1784696939</image:loc>
      <image:title>Brush, Babcock Cream Test Bottle</image:title>
      <image:caption>Brush, Babcock Cream Test Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-brush-black-bristle-with-fan-tip-babcock-milk-test-9-in-length</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6945-01_a91b6d2e-01fb-4728-97b1-a6f46c577853.png?v=1784696940</image:loc>
      <image:title>Bottle Brush, Black Bristle with fan Tip, Babcock Milk Test, 9 in. length</image:title>
      <image:caption>Bottle Brush, Black Bristle with fan Tip, Babcock Milk Test, 9 in. length</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bucket-polypropylene-11-qt-7012-0110</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7160-01.png?v=1784696941</image:loc>
      <image:title>Nalgene Bucket, Polypropylene (PP), 11 qt., Thermo Scientific, 7012-0110</image:title>
      <image:caption>Nalgene Bucket, Polypropylene (PP), 11 qt., Thermo Scientific, 7012-0110</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pail-polyethylene-heavy-duty-15-l-bel-art-products-h16806-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7182-34.png?v=1784696943</image:loc>
      <image:title>Pail, Polyethylene (PE), Heavy-Duty, 15 L, SP Bel Art Products, H16806-0000</image:title>
      <image:caption>Pail, Polyethylene (PE), Heavy-Duty, 15 L, SP Bel Art Products, H16806-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bucket-2-5-gal-high-density-polyethylene-heavy-weight-7002-0025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7185-01_2fa794e9-7143-4211-b4ee-2c579787c037.png?v=1784696944</image:loc>
      <image:title>Nalgene Bucket, 2.5 Gal, High-Density Polyethylene (HDPE), Heavy Weight, Themo Scientific, 7002-0025</image:title>
      <image:caption>Nalgene Bucket, 2.5 Gal, High-Density Polyethylene (HDPE), Heavy Weight, Themo Scientific, 7002-0025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/top-buret-model-h-bottletop-burette-5-ml-per-turn-digital-display-0-01-ml-to-999-9-ml-eppendorf-4965000025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7400-11_55e21f0d-1f31-452a-a3a9-264b6563e37a.png?v=1784696946</image:loc>
      <image:title>Top Buret Model H Bottletop Burette, 5 mL per Turn, Digital Display 0.01 mL to 999.9 mL, Eppendorf, 4965000025</image:title>
      <image:caption>Top Buret Model H Bottletop Burette, 5 mL per Turn, Digital Display 0.01 mL to 999.9 mL, Eppendorf, 4965000025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/titrette-bottletop-burette-50-ml-drying-tube-sold-separately-brandtech-4760161</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-02_b184f4e1-247c-4ff2-addb-c51973571fd9.png?v=1784696948</image:loc>
      <image:title>Titrette Bottletop Burette, 50 mL (Drying Tube Sold Separately), Brandtech, 4760161</image:title>
      <image:caption>Titrette Bottletop Burette, 50 mL (Drying Tube Sold Separately), Brandtech, 4760161</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/titrette-bottletop-burette-25-ml-brandtech-4760151</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-03_ce2371ad-8347-443e-b993-774bf8685973.png?v=1784696949</image:loc>
      <image:title>Titrette Bottletop Burette, 25 mL, Brandtech, 4760151</image:title>
      <image:caption>Titrette Bottletop Burette, 25 mL, Brandtech, 4760151</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/spare-reservoir-bottle-amber-2000-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-06_15cf119c-fc02-424d-bf64-364596a60f58.png?v=1784696951</image:loc>
      <image:title>Spare Reservoir Bottle, for Automatic Burette, Amber, 2000 mL, Brandtech, 23320</image:title>
      <image:caption>Spare Reservoir Bottle, for Automatic Burette, Amber, 2000 mL, Brandtech, 23320</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/drying-tube-with-sealing-ring-without-drying-agent-for-titrette-seripettor-dispensette-s-and-dispensette-s-organic-brandtech-707930</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-10_a1c0b016-57d5-44ac-8613-65fb05437194.png?v=1784696952</image:loc>
      <image:title>Drying Tube with Sealing Ring (without Drying Agent) for Titrette, Seripettor, Dispensette S, and Dispensette S Organic, Brandtech, 707930</image:title>
      <image:caption>Drying Tube with Sealing Ring (without Drying Agent) for Titrette, Seripettor, Dispensette S, and Dispensette S Organic, Brandtech, 707930</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/titrating-tube-for-25-50-ml-titrette-1-pk-brandtech-707529</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-11_ee9657dd-dd52-43fc-895f-aea6809f25e9.png?v=1784696953</image:loc>
      <image:title>Titrating Tube for 25/50 mL Titrette Bottletop Burettes, 1/PK, Brandtech, 707529</image:title>
      <image:caption>Titrating Tube for 25/50 mL Titrette Bottletop Burettes, 1/PK, Brandtech, 707529</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filling-valve-for-titrette-bottletop-burettes-brandtech-6636</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-12_cd9af443-efef-4024-9ecd-3f8d16728ab2.png?v=1784696955</image:loc>
      <image:title>Filling Valve for Titrette Bottletop Burettes, Brandtech, 6636</image:title>
      <image:caption>Filling Valve for Titrette Bottletop Burettes, Brandtech, 6636</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dispensing-cylinder-with-valve-for-25-ml-titrette-brandtech-707535</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-13_b362f2f3-3099-4f53-bafe-9a38665de66f.png?v=1784696957</image:loc>
      <image:title>Dispensing Cylinder with Valve for 25 mL Titrette Bottletop Burettes, Brandtech, 707535</image:title>
      <image:caption>Dispensing Cylinder with Valve for 25 mL Titrette Bottletop Burettes, Brandtech, 707535</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/piston-for-25-ml-titrette-brandtech-707530</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-14_e2fd5793-0a05-4286-9554-3e50fc2542e3.png?v=1784696958</image:loc>
      <image:title>Piston for 25 mL Titrette Bottletop Burettes, Brandtech, 707530</image:title>
      <image:caption>Piston for 25 mL Titrette Bottletop Burettes, Brandtech, 707530</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/safetyprime-recirculation-tube-dispensette-iii-organic-ta-bottletop-dispensers-brandtech-8317</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-16_f5deb419-dde3-452f-bbfb-5dc5f5190901.png?v=1784696959</image:loc>
      <image:title>SafetyPrime Recirculation Tube for Titrette Bottletop Burettes, Brandtech, 8317</image:title>
      <image:caption>SafetyPrime Recirculation Tube for Titrette Bottletop Burettes, Brandtech, 8317</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-nalgene-acrylic-with-pmp-tip-tfe-stopcock-and-plug-25-ml-3650-0025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7650-42_d37defd2-abfb-48da-9ac3-57948f3548eb.png?v=1784696960</image:loc>
      <image:title>Nalgene Buret, Acrylic with Polymethylpentene (PMP) Tip, Tetrafluoroethylene (TFE) Stopcock and Plug, 25 mL, Thermo Scientific, 3650-0025</image:title>
      <image:caption>Nalgene Buret, Acrylic with Polymethylpentene (PMP) Tip, Tetrafluoroethylene (TFE) Stopcock and Plug, 25 mL, Thermo Scientific, 3650-0025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dwk%C2%AE-kimax%C2%AE-buret-standard-top-opening-class-a-serialized-and-certified-10-ml-17027f-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7732-28_63b5d170-4bfb-46c3-b043-b4553def79ad.png?v=1784696962</image:loc>
      <image:title>Buret, Standard Top Opening, Class A Serialized and Certified, 10 mL,17027F-10</image:title>
      <image:caption>Buret, Standard Top Opening, Class A Serialized and Certified, 10 mL,17027F-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-pyrex-serialized-certified-class-a-with-teflon-stopcock-plug-10-ml-corning-2105-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Buret, Pyrex, Serialized/Certified, Class A, Borosilicate Glass with Teflon Polytetrafluoroethylene (PTFE) Stopcock Plug, 10 mL, Corning 2105-10</image:title>
      <image:caption>Buret, Pyrex, Serialized/Certified, Class A, Borosilicate Glass with Teflon Polytetrafluoroethylene (PTFE) Stopcock Plug, 10 mL, Corning 2105-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-pyrex-serialized-certified-class-a-with-teflon-stopcock-plug-25-ml-corning-2105-252</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-42_83733082-c097-47d6-ba6c-f25f41bbf9bd.png?v=1784696965</image:loc>
      <image:title>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 25 mL, Corning 2105-252</image:title>
      <image:caption>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 25 mL, Corning 2105-252</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-pyrex-serialized-certified-class-a-with-teflon-stopcock-plug-50-ml-corning-2105-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 50 mL, Corning 2105-50</image:title>
      <image:caption>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 50 mL, Corning 2105-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-pyrex-serialized-certified-class-a-with-teflon-stopcock-plug-100-ml-corning-2105-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-67_3cb8a227-4f56-4feb-b81c-95748dc52f46.png?v=1784696968</image:loc>
      <image:title>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 100 mL, Corning 2105-100</image:title>
      <image:caption>Buret, Pyrex, Serialized/Certified, Class A, with Teflon Stopcock Plug, 100 mL, Corning 2105-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-class-a-serialized-and-certified-with-three-way-stopcock-white-scale-25-ml-17052f-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7875-42.png?v=1784696969</image:loc>
      <image:title>Buret, Class A, Serialized and Certified, with Three-Way Stopcock, white scale, 25 mL 17052F-25</image:title>
      <image:caption>Buret, Class A, Serialized and Certified, with Three-Way Stopcock, white scale, 25 mL 17052F-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-automatic-with-three-way-ptfe-stopcock-class-b-10-ml-0-05-ml-graduation-intervals-17015f-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-28.png?v=1784696970</image:loc>
      <image:title>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 10 mL, 0.05 mL Graduation Intervals, 17015F-10</image:title>
      <image:caption>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 10 mL, 0.05 mL Graduation Intervals, 17015F-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-automatic-with-three-way-ptfe-stopcock-class-b-25-ml-0-1-ml-graduation-intervals-17015f-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-42_b5430e83-fdf8-4274-9e97-506240b33179.png?v=1784696972</image:loc>
      <image:title>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 25 mL, 0.1 mL Graduation Intervals, 17015F-25</image:title>
      <image:caption>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 25 mL, 0.1 mL Graduation Intervals, 17015F-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-automatic-with-three-way-ptfe-stopcock-class-b-50-ml-0-1-ml-graduation-intervals-17015f-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-53_a786273c-0f1d-4fd8-8f70-420050b4c4ca.png?v=1784696973</image:loc>
      <image:title>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 50 mL, 0.1 mL Graduation Intervals, 17015F-50</image:title>
      <image:caption>Buret, Automatic with Three-Way PTFE Stopcock, Class B, 50 mL, 0.1 mL Graduation Intervals, 17015F-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex%C2%AE-buret-auto-zero-rotaflo-dual-stopcock-25-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7915-42_73f61be4-480c-4b62-8341-d1bc9e5a0fb4.png?v=1784696975</image:loc>
      <image:title>PYREX  Buret, Auto-Zero, Rotaflo Dual Stopcock, 25 mL, 1/CS, Corning, 2110-25</image:title>
      <image:caption>PYREX  Buret, Auto-Zero, Rotaflo Dual Stopcock, 25 mL, 1/CS, Corning, 2110-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/buret-automatic-with-three-way-ptfe-stopcock-reservoir-bottle-2000-ml-serialized-certified-class-a-100-ml-17124f-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8340-67_0d62b89b-5f07-4cae-b190-3c3d461c6a9b.png?v=1784696976</image:loc>
      <image:title>Buret, Automatic with Three-Way PTFE Stopcock &amp; Reservoir Bottle (2000 mL), Serialized  &amp; Certified, Class A, 100 mL, 17124F-100</image:title>
      <image:caption>Buret, Automatic with Three-Way PTFE Stopcock &amp; Reservoir Bottle (2000 mL), Serialized  &amp; Certified, Class A, 100 mL, 17124F-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/burette-clamp-double-lincoln-style-for-up-to-5-8-in-16mm-support-rod-humboldt-h-8250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8619-01_716be5cc-7eeb-4a2f-a475-a2bb120e3a03.png?v=1784696978</image:loc>
      <image:title>Burette Clamp, Double Lincoln Style for up to 5/8 in / 16 mm Support Rod, Humboldt,  H-8250</image:title>
      <image:caption>Burette Clamp, Double Lincoln Style for up to 5/8 in / 16 mm Support Rod, Humboldt,  H-8250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/burner-alcohol-100-ml-with-wick-wheaton-237070</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8710-22_b0dfdce4-6b86-4359-8579-50f18f1d7383.png?v=1784696979</image:loc>
      <image:title>Burner, Alcohol, 100 mL with Wick, Wheaton 237070</image:title>
      <image:caption>Burner, Alcohol, 100 mL with Wick, Wheaton 237070</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/standard-burner-with-flame-stabilizer-natural-gas-1-2-in-13-mm-mixing-tube-outside-diameter-x-6-1-8-in-156-mm-overall-height-humboldt-h-5870</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8915-01_3d419ca4-ed1f-44bf-b450-f9a02ecfe14b.png?v=1784696981</image:loc>
      <image:title>Standard Burner with Flame Stabilizer, Natural gas, Humboldt, H-5870</image:title>
      <image:caption>Standard Burner with Flame Stabilizer, Natural gas, Humboldt, H-5870</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/standard-burner-with-flame-stabilizer-lp-cylinder-gas-1-2-in-13-mm-mixing-tube-outside-diameter-x-6-1-8-in-156-mm-overall-height-humboldt-h-5875</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8916-01_4daf4635-2301-46a4-b0d0-436281c90b95.png?v=1784696982</image:loc>
      <image:title>Standard Burner with Flame Stabilizer, LP (Cylinder) Gas, Humboldt, H-5875</image:title>
      <image:caption>Standard Burner with Flame Stabilizer, LP (Cylinder) Gas, Humboldt, H-5875</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bunsen-burner-with-adjustable-gas-valve-flame-stabilizer</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8919-01_6de223a8-6525-421a-bce9-4647fa99b736.png?v=1784696984</image:loc>
      <image:title>Bunsen Burner, with Adjustable Gas Valve and Flame Stabilizer, LP (Cylinder) Gas Humboldt, H-5890</image:title>
      <image:caption>Bunsen Burner, with Adjustable Gas Valve and Flame Stabilizer, LP (Cylinder) Gas Humboldt, H-5890</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/general-purpose-tirrill-burner-with-flame-stabilizer</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9130-01_b719dab9-3c9d-4dba-be78-de362fcdc7eb.png?v=1784696985</image:loc>
      <image:title>General Purpose Tirrill Burner, with Flame Stabilizer, Natural Gas, Humboldt Manufacturing, H-6220</image:title>
      <image:caption>General Purpose Tirrill Burner, with Flame Stabilizer, Natural Gas, Humboldt Manufacturing, H-6220</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tirrill-burner-for-small-scale-burning-test-on-plastic-materials</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9136-01.png?v=1784696988</image:loc>
      <image:title>Tirrill Burner for Small-Scale Burning Test on Plastic Materials, LP (Cylinder) Gas, Humboldt Manufacturing, H-5025</image:title>
      <image:caption>Tirrill Burner for Small-Scale Burning Test on Plastic Materials, LP (Cylinder) Gas, Humboldt Manufacturing, H-5025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/alcohol-burner-clear-glass-base-with-adjustable-wick-height</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9185-01_0ecb5293-d83d-4ac7-bb7a-c9745059f51e.png?v=1784696989</image:loc>
      <image:title>Alcohol Burner, Clear Glass Base, with Adjustable Wick Height</image:title>
      <image:caption>Alcohol Burner, Clear Glass Base, with Adjustable Wick Height</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/standard-burner-wing-top-mixing-tube-od-7-16-in-11-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9210-01_2edce6bf-ec3f-493c-9f91-89c5dcc3bb38.png?v=1784696990</image:loc>
      <image:title>Standard Burner Wing Top, Mixing Tube OD 7/16 in. (11 mm), Humboldt Manufacturing, H-6640</image:title>
      <image:caption>Standard Burner Wing Top, Mixing Tube OD 7/16 in. (11 mm), Humboldt Manufacturing, H-6640</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/100-hazardous-shipping-fee-for-web-orders</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>$100 Hazardous Shipping Fee for Web Orders</image:title>
      <image:caption>$100 Hazardous Shipping Fee for Web Orders</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/100-extra-shipping-fee-for-web-orders</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/100-SHIP_752d44a0-f9d2-4bcd-bb27-a8800ebbd2ae.png?v=1784696993</image:loc>
      <image:title>$100 Extra Shipping Fee for Web Orders</image:title>
      <image:caption>$100 Extra Shipping Fee for Web Orders</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/porcelain-casserole-60-ml-capacity-35-mm-height-x-70-mm-od-60058</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-03_0b991adb-9ff2-4d9e-9cd8-0300f47d906f.png?v=1784696994</image:loc>
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      <image:caption>Porcelain Casserole, 60 mL Capacity, 35 mm Height x 70 mm OD, 60058</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/casserole-porcelain-175-ml-capacity-49-mm-height-x-85-mm-od-coors-66059-replacement-for-60059</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Casserole, Porcelain, 175 mL Capacity, 49 mm Height x 85 mm OD, Coors 66059 (Replacement for 60059)</image:title>
      <image:caption>Casserole, Porcelain, 175 mL Capacity, 49 mm Height x 85 mm OD, Coors 66059 (Replacement for 60059)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/casserole-with-lip-and-flat-porcelain-handle-270-ml-50-mm-height-100-mm-od-coors-66060-replaces-60060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-05_12350df8-0d22-4f45-99e4-e3371f0ca60c.png?v=1784696997</image:loc>
      <image:title>Casserole with Lip and Flat Porcelain Handle, 270 mL, 50 mm height, 100 mm OD, Coors 66060 (Replaces 60060)</image:title>
      <image:caption>Casserole with Lip and Flat Porcelain Handle, 270 mL, 50 mm height, 100 mm OD, Coors 66060 (Replaces 60060)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/casserole-with-lip-and-flat-porcelain-handle-450-ml-64-mm-height-120-mm-od-coors-66062-replacement-for-60062</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-07_64e58c37-090e-40c2-9df2-ebd8e773aac9.png?v=1784696999</image:loc>
      <image:title>Casserole with Lip and Flat Porcelain Handle, 450 mL, 64 mm height, 120 mm OD, Coors 66062 (Replacement for 60062)</image:title>
      <image:caption>Casserole with Lip and Flat Porcelain Handle, 450 mL, 64 mm height, 120 mm OD, Coors 66062 (Replacement for 60062)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/casserole-1200-ml-174-mm-od-x-100-mm-heightcoors-60064</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-09_c73eda2f-a282-43a0-8702-a1b29b087b29.png?v=1784697001</image:loc>
      <image:title>Casserole, 1200 mL, 174 mm OD x 100 mm HeightCoors 60064</image:title>
      <image:caption>Casserole, 1200 mL, 174 mm OD x 100 mm HeightCoors 60064</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/periodic-chart-laminated-both-sides-on-8-point-board-markable-with-wet-erase-pen-38-in-x-50-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-2721-01_7ab2bc0c-5ff7-419f-9afe-2f8a8ac04720.png?v=1784697002</image:loc>
      <image:title>Periodic Chart, Laminated Both Sides on 8 Point Board, Markable with Wet-Erase Pen, 38 in. X 50 in.</image:title>
      <image:caption>Periodic Chart, Laminated Both Sides on 8 Point Board, Markable with Wet-Erase Pen, 38 in. X 50 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-chromatography-column-with-coarse-fritted-disc-10-5-x-300-mm-corning-38450-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3075-01_c31d2d0c-fc2a-498e-a96e-aeb552d57ebd.png?v=1784697004</image:loc>
      <image:title>PYREX Chromatography Column with Coarse Fritted Disc, 10.5 x 300 mm, Corning, 38450-10</image:title>
      <image:caption>PYREX Chromatography Column with Coarse Fritted Disc, 10.5 x 300 mm, Corning, 38450-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chromatography-column-with-coarse-fritted-disc-20-x-400-corning-38450-20</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3075-02.png?v=1784697006</image:loc>
      <image:title>Chromatography Column with Coarse Fritted Disc, 20 x 400, Corning 38450-20</image:title>
      <image:caption>Chromatography Column with Coarse Fritted Disc, 20 x 400, Corning 38450-20</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extenision-clamp-bunsen-round-jaw-3-8-in-to-1-3-8-in-8-in-length-humboldt-h-8562</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3488-01_d9e46c08-b225-41e5-a3d0-9fd9b594196d.png?v=1784697009</image:loc>
      <image:title>Extenision Clamp, Bunsen Round Jaw, 3/8 in. to 1-3/8 in., 8 in. Length, Humboldt Manufacturing, H-8562</image:title>
      <image:caption>Extenision Clamp, Bunsen Round Jaw, 3/8 in. to 1-3/8 in., 8 in. Length, Humboldt Manufacturing, H-8562</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vwr-talon-two-prong-extension-clamps-9-in-l-with-0-to-3-5-8-in-grip-size</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3495-01.png?v=1784697010</image:loc>
      <image:title>VWR Talon Two-Prong Extension Clamps, 9 in. L with 0 to 3-5/8 in. Grip Size, 21570-109</image:title>
      <image:caption>VWR Talon Two-Prong Extension Clamps, 9 in. L with 0 to 3-5/8 in. Grip Size, 21570-109</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-extension-with-sleeved-round-jaws</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3498-01_c1d10d9c-4c82-4135-bd71-60c0527ad12b.png?v=1784697012</image:loc>
      <image:title>Clamp Extension, with Sleeved Round Jaws</image:title>
      <image:caption>Clamp Extension, with Sleeved Round Jaws</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-3-finger-vinyl-micro-representative-images</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3510-01_5d533c72-868c-4e0d-ac92-2e8aeb0d2371.png?v=1784697014</image:loc>
      <image:title>Clamp, 3 Finger, Vinyl, Micro</image:title>
      <image:caption>Clamp, 3 Finger, Vinyl, Micro</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-holder-rotates-full-360-degrees-for-rods-and-clamps-up-to-3-4-inch-diameter</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3550-01_39fde144-1e79-4411-88e4-11016ae13a3a.png?v=1784697015</image:loc>
      <image:title>Clamp Holder, Rotates Full 360 Degrees, for Rods and Clamps up to 3/4 inch Diameter</image:title>
      <image:caption>Clamp Holder, Rotates Full 360 Degrees, for Rods and Clamps up to 3/4 inch Diameter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3680-01_7215fdd9-245e-432b-8410-cb9c219cd4f6.png?v=1784697017</image:loc>
      <image:title>Clamp</image:title>
      <image:caption>Clamp</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermometer-clamp-360-degree-jaw-rotation</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3840-01_9224414a-4fc8-4dc2-9d76-a00d9011d3e3.png?v=1784697018</image:loc>
      <image:title>Thermometer Clamp, 360 Degree Jaw Rotation, Humboldt Manufacturing, H-8950</image:title>
      <image:caption>Thermometer Clamp, 360 Degree Jaw Rotation, Humboldt Manufacturing, H-8950</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-large-3-finger-vinylized-jaws-holds-thermometers-or-thermoregulators-heaters-tubing-etc-up-to-1-inch-in-diameter</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3841-01_b7a14519-2d4c-4a90-94d4-c54f9ec7ea25.png?v=1784697020</image:loc>
      <image:title>Clamp, Large, 3 Finger Vinylized Jaws, Holds Thermometers or Thermoregulators, Heaters, Tubing, etc, Up to 1 inch in Diameter</image:title>
      <image:caption>Clamp, Large, 3 Finger Vinylized Jaws, Holds Thermometers or Thermoregulators, Heaters, Tubing, etc, Up to 1 inch in Diameter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-holder-contort-type-grips-up-to-19-mm-consists-of-2-members-set-at-90-degree-angle-connected-by-a-double-plate-joint</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3940-01.png?v=1784697021</image:loc>
      <image:title>Clamp Holder, Contort Type, Grips up to 19 mm, Consists of 2 Members Set at 90 Degree Angle &amp; Connected by a Double-Plate Joint</image:title>
      <image:caption>Clamp Holder, Contort Type, Grips up to 19 mm, Consists of 2 Members Set at 90 Degree Angle &amp; Connected by a Double-Plate Joint</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-pinchcock-regular-duty</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4070-01.png?v=1784697023</image:loc>
      <image:title>Clamp, Pinchcock, Regular Duty</image:title>
      <image:caption>Clamp, Pinchcock, Regular Duty</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-flask-stainless-steel-jaws-open-up-to-110-mm-and-will-accommodate-any-flask-taking-no-4-size-stopper-or-larger</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4170-02_4b6ca4b0-e12e-402a-85aa-3a04f0d650d7.png?v=1784697024</image:loc>
      <image:title>Clamp, Flask, Stainless Steel,  Jaws Open Up to 110 mm and Will Accommodate Any Flask Taking No.4 Size Stopper or Larger</image:title>
      <image:caption>Clamp, Flask, Stainless Steel,  Jaws Open Up to 110 mm and Will Accommodate Any Flask Taking No.4 Size Stopper or Larger</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-tri-grip-large-7014</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4491-01_e9917a74-9080-406d-9b4b-62f1304572d1.png?v=1784697026</image:loc>
      <image:title>Clamp, Tri-Grip, Large, 7014</image:title>
      <image:caption>Clamp, Tri-Grip, Large, 7014</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/standard-clamp-holder-with-1-4-in-thumb-screws-die-cast-aluminum-humboldt-h-8300</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4618-01_ff7c463c-2878-4893-9403-5b2ab0ed1858.png?v=1784697027</image:loc>
      <image:title>Standard Clamp Holder, with 1/4 in. Thumb Screws, Die-Cast Aluminum, Humboldt, H-8300</image:title>
      <image:caption>Standard Clamp Holder, with 1/4 in. Thumb Screws, Die-Cast Aluminum, Humboldt, H-8300</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/keck-clamp-plastic-size-24-green-for-24-40-standard-taper-joint-12-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4639-05_a21fc610-c00a-48c8-9ab1-f9940660f844.png?v=1784697029</image:loc>
      <image:title>Keck Clamp, Plastic, Size 24, Green, for 24/40 Standard Taper Joint, 12/PK, 675300-0024</image:title>
      <image:caption>Keck Clamp, Plastic, Size 24, Green, for 24/40 Standard Taper Joint, 12/PK, 675300-0024</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/keck-standard-taper-clips-joint-size-40-yellow-12-pk-these-economical-standard-taper-clips-securely-hold-conical-joints-under-pressure-without-damaging-glass-cole-parmer-instrument-company-wd-06840-30</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4639-08_1cb3d0e1-0336-41e7-a8ef-8c1eaff36fc3.png?v=1784697030</image:loc>
      <image:title>Keck Standard Taper Clips, Joint Size 40, Yellow, 12/PK, These Economical Standard Taper Clips Securely Hold Conical Joints Under Pressure without  Damaging Glass, Cole-Parmer Instrument Company, WD-06840-30</image:title>
      <image:caption>Keck Standard Taper Clips, Joint Size 40, Yellow, 12/PK, These Economical Standard Taper Clips Securely Hold Conical Joints Under Pressure without  Damaging Glass, Cole-Parmer Instrument Company, WD-06840-30</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tubing-clamp-dura-clamp-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4640-14_9733c6e5-b27b-493b-bfb0-447d72f1a068.png?v=1784697032</image:loc>
      <image:title>Tubing Clamp, Dura-Clamp [Representative Image]</image:title>
      <image:caption>Tubing Clamp, Dura-Clamp [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/swing-jaw-tubing-clamp-steel-10-mm-3-pkg-bel-art-products-h18220-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-28_fa524527-d516-425e-845a-96286144bbd9.png?v=1784697033</image:loc>
      <image:title>Tubing Clamp, Swing-Jaw, Steel, 10 mm, 3/PK, SP Bel-Art Products, H18220-0000</image:title>
      <image:caption>Tubing Clamp, Swing-Jaw, Steel, 10 mm, 3/PK, SP Bel-Art Products, H18220-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/swing-jaw-tubing-clamp-steel-15-mm-3-pkg-bel-art-products-h18221-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-34_66c1c13b-ea71-4470-955c-0f8f6505d586.png?v=1784697035</image:loc>
      <image:title>Tubing Clamp, Swing-Jaw, Steel, 15 mm 3/PK, SP Bel-Art Products, H18221-0000</image:title>
      <image:caption>Tubing Clamp, Swing-Jaw, Steel, 15 mm 3/PK, SP Bel-Art Products, H18221-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/swing-jaw-tubing-clamp-steel-20-mm-3-pkg-bel-art-products-h18222-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-39_e4466628-9713-43e3-97db-7ac34a21f3c3.png?v=1784697036</image:loc>
      <image:title>Tubing Clamp, Swing-jaw, Steel, 20 mm, 3/PK, SP Bel-Art Products, H18222-0000</image:title>
      <image:caption>Tubing Clamp, Swing-jaw, Steel, 20 mm, 3/PK, SP Bel-Art Products, H18222-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-maxi-tubing-clamp-for-tubing-under-3-4-in-o-d-6-pk-bel-art-products-f18229-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4650-02_175c4985-dc2b-4d7d-a0be-69b6fc870b1e.png?v=1784697038</image:loc>
      <image:title>Tubing Clamp, Plastic Maxi, for Tubing under 3/4 in. O.D. 6/PK, SP Bel-Art Products, F18229-0000</image:title>
      <image:caption>Tubing Clamp, Plastic Maxi, for Tubing under 3/4 in. O.D. 6/PK, SP Bel-Art Products, F18229-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hose-clamp-7-16-25-32-in-10-pk-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4652-01_b7745c01-f1be-458c-ab80-3151028e9d8f.png?v=1784697039</image:loc>
      <image:title>Hose Clamp, 7/16-25/32 in., 10/PK [Representative Image]</image:title>
      <image:caption>Hose Clamp, 7/16-25/32 in., 10/PK [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/worm-drive-clamp-310-stainless-steel-for-firm-hose-and-tubing-with-410-stainless-steel-screw-5-16-in-band-width-1-2-in-to-29-32-in-clamp-id-5321k17</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4652-22.png?v=1784697041</image:loc>
      <image:title>Worm-Drive Clamp, 310 Stainless Steel, for Firm Hose and Tubing with 410 Stainless Steel Screw, 5/16 in. Band Width, 1/2 in. to  29/32 in. Clamp ID, 5321K17</image:title>
      <image:caption>Worm-Drive Clamp, 310 Stainless Steel, for Firm Hose and Tubing with 410 Stainless Steel Screw, 5/16 in. Band Width, 1/2 in. to  29/32 in. Clamp ID, 5321K17</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-screw-style-tubing-clamp-for-tubing-up-to-1-2-in-o-d-3-pk-bel-art-products-f18212-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4654-01_83d27adc-ca6b-49cb-9704-3c318057fe28.png?v=1784697043</image:loc>
      <image:title>Tubing Clamp, Plastic Screw-Style for Tubing up to 1/2 in. O.D., 3/PK, SP Bel-Art Products, F18212-0000</image:title>
      <image:caption>Tubing Clamp, Plastic Screw-Style for Tubing up to 1/2 in. O.D., 3/PK, SP Bel-Art Products, F18212-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-stainless-steel-acetal-accepts-tubing-up-to-8-mm-o-d</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4655-01_4c772cf8-83be-490f-8452-6583fd545031.png?v=1784697044</image:loc>
      <image:title>Clamp, Stainless Steel, Acetal,  Accepts Tubing up to 8 mm O.D., 3/PK, SP Bel-Art Products, H18213-0000</image:title>
      <image:caption>Clamp, Stainless Steel, Acetal,  Accepts Tubing up to 8 mm O.D., 3/PK, SP Bel-Art Products, H18213-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-large-4-prong-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4660-01_93dea230-ac83-443d-be84-6f6a59bb5313.png?v=1784697045</image:loc>
      <image:title>Clamp, Large 4-Prong [Representative Image]</image:title>
      <image:caption>Clamp, Large 4-Prong [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-test-tube-for-holding-tubes-from-3-16-in-to-1-in-in-diameter-length-is-5-in-humboldt-h-8580</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4689-01_e591a51c-f531-46bf-ae1d-11c717f398e7.png?v=1784697047</image:loc>
      <image:title>Clamp, Test Tube, For holding Tubes from 3/16 in. to 1 in. in Diameter, Length is 5 in., Humboldt Manufacturing, H-8580</image:title>
      <image:caption>Clamp, Test Tube, For holding Tubes from 3/16 in. to 1 in. in Diameter, Length is 5 in., Humboldt Manufacturing, H-8580</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-test-tube-stoddard-with-finger-grips-rectangular-jaw-opens-to-1-1-4-in-6-in-length-humboldt-manufacturing-co-h-8595</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4696-01_da6b87cd-b760-4f42-8e5d-d54d0f2ccb63.png?v=1784697048</image:loc>
      <image:title>Clamp, Test Tube, Stoddard with Finger Grips, Rectangular Jaw Opens to 1 1/4 in., 6 in. Length, Humboldt Manufacturing, H-8595</image:title>
      <image:caption>Clamp, Test Tube, Stoddard with Finger Grips, Rectangular Jaw Opens to 1 1/4 in., 6 in. Length, Humboldt Manufacturing, H-8595</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aquet-detergent-1-gallon-with-16oz-dispenser-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4751-12_63f7684c-e78a-420e-be1b-933ae2788fbb.png?v=1784697050</image:loc>
      <image:title>Aquet Detergent, 1 Gallon, with 16 oz Dispenser Bottle, SP Bel-Art Products, F17094-0030</image:title>
      <image:caption>Aquet Detergent, 1 Gallon, with 16 oz Dispenser Bottle, SP Bel-Art Products, F17094-0030</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extran-mn-01-powdered-detergent-for-manual-washing-1-8-kg-non-regulated</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4752-01_71e34d41-3254-42e3-a5bd-e6c226893891.png?v=1784697053</image:loc>
      <image:title>Extran MN 01 Powdered Detergent for Manual Washing, 1.8 kg (Non-Regulated)</image:title>
      <image:caption>Extran MN 01 Powdered Detergent for Manual Washing, 1.8 kg (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/detergent-8-low-foaming-ion-free-detergent-1-gallon</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4756-11_49611df7-1338-4b38-aa2e-718ea156c7d3.png?v=1784697055</image:loc>
      <image:title>Detergent 8 Low-Foaming Ion-Free Detergent, 1 gallon, Alconox Inc, 1701</image:title>
      <image:caption>Detergent 8 Low-Foaming Ion-Free Detergent, 1 gallon, Alconox Inc, 1701</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/detergent-8-registered-low-foaming-ion-free-55-gal-drum-un1760-8-pg-ii</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4756-13_5e761d13-402b-453a-99a0-75a25a73f915.png?v=1784697057</image:loc>
      <image:title>Detergent 8, Low-Foaming Ion-Free, 55 gal Drum, Alconox Inc, 1755</image:title>
      <image:caption>Detergent 8, Low-Foaming Ion-Free, 55 gal Drum, Alconox Inc, 1755</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleanser-liquinox-concentrated-anionic-liquid-detergent-for-manual-ultrasonic-cleaning-dilute-1-100-1-32-oz-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-01.png?v=1784697059</image:loc>
      <image:title>Cleanser, Liquinox, Concentrated, Anionic Liquid Detergent for Manual &amp; Ultrasonic Cleaning, Dilute 1:100, 1 32 oz. Bottle</image:title>
      <image:caption>Cleanser, Liquinox, Concentrated, Anionic Liquid Detergent for Manual &amp; Ultrasonic Cleaning, Dilute 1:100, 1 32 oz. Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleanser-liquinox-phosphate-free-detergent-dilute-1-100-1-gallon-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-02.png?v=1784697062</image:loc>
      <image:title>Cleanser, Liquinox, Phosphate Free Detergent, Dilute 1:100, 1 Gallon Bottle, Alconox Inc,, 1201</image:title>
      <image:caption>Cleanser, Liquinox, Phosphate Free Detergent, Dilute 1:100, 1 Gallon Bottle, Alconox Inc,, 1201</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/detergent-liqui-nox-phosphate-free-ph-8-5-recommended-for-laboratory-hospital-clean-rooms-medical-uses-etc-15-gallon-package</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-03_6fd46d33-83af-4f2f-bf52-efa6fb38bb5b.png?v=1784697064</image:loc>
      <image:title>Detergent, Liquinox, Critical Cleaning, Phosphate-Free, pH 8.5., 15 Gallon Package, Alconox, 1215</image:title>
      <image:caption>Detergent, Liquinox, Critical Cleaning, Phosphate-Free, pH 8.5., 15 Gallon Package, Alconox, 1215</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleanser-alconox-concentrated-anionic-detergent-for-manual-and-ultrasonic-cleaning-dilute-1-100-package-of-1-2-oz-packets</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4776-01_a21bb534-b9ec-432d-891c-7e244e059bf0.png?v=1784697066</image:loc>
      <image:title>Cleanser, Alconox, Concentrated, Anionic Detergent for Manual and Ultrasonic Cleaning, Dilute 1:100, 50 x 1/2 oz Packets,  Alconox, 1112</image:title>
      <image:caption>Cleanser, Alconox, Concentrated, Anionic Detergent for Manual and Ultrasonic Cleaning, Dilute 1:100, 50 x 1/2 oz Packets,  Alconox, 1112</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleanser-citranox-phosphate-free-concentrated-cleaner-and-metal-brightener-for-removal-of-residues-for-manual-and-ultrasonic-cleaning-dilute-2-100-1-gallon-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4787-01_9732ee77-f0fb-433d-8a05-3b065de501da.png?v=1784697069</image:loc>
      <image:title>Citronox Cleanser, Phosphate Free, Concentrated, Dilute 2:100, 1 Gallon Bottle, Alconox Inc, 1801</image:title>
      <image:caption>Citronox Cleanser, Phosphate Free, Concentrated, Dilute 2:100, 1 Gallon Bottle, Alconox Inc, 1801</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hand-cream-protects-hands-from-chap-and-irritation-caused-by-over-exposure-of-water</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4795-05_314ce485-eb86-4c11-b7f8-403df7000e97.png?v=1784697070</image:loc>
      <image:title>Hand Cream, Protects Hands from Chap and Irritation Caused by Over Exposure of Water</image:title>
      <image:caption>Hand Cream, Protects Hands from Chap and Irritation Caused by Over Exposure of Water</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hand-cream-softguard-16-oz-pump-top-contains-four-gentle-emollients-and-conditioners-to-help-protect-and-maintain-skin-moisture</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4796-02_122cfc5c-1acf-47b2-a1c6-b47c55597ac7.png?v=1784697072</image:loc>
      <image:title>Hand Cream, Softguard, 16 oz., Pump Top, Contains Four Gentle Emollients and Conditioners to Help Protect and Maintain Skin Moisture</image:title>
      <image:caption>Hand Cream, Softguard, 16 oz., Pump Top, Contains Four Gentle Emollients and Conditioners to Help Protect and Maintain Skin Moisture</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bacdown-hand-soap-1-l-bottle-provides-excellent-soil-removal-without-drying-or-staining-dispenser-pump-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4820-01_24bf6511-ca3d-4baf-8213-057a22a0cf65.png?v=1784697073</image:loc>
      <image:title>Bacdown Hand Soap, 1 L Bottle, Provides Excellent Soil Removal without  Drying or Staining, Dispenser Pump Bottle</image:title>
      <image:caption>Bacdown Hand Soap, 1 L Bottle, Provides Excellent Soil Removal without  Drying or Staining, Dispenser Pump Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bacdown-hand-soap-5-l-bottle-provides-excellent-soil-removal-without-drying-or-staining-dispenser-pump-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4821-01_d71e2ea4-445f-4bb5-8b93-7ad859550d65.png?v=1784697075</image:loc>
      <image:title>Bacdown Hand Soap, 5 L Bottle, Provides Excellent Soil Removal without  Drying or Staining, Dispenser Pump Bottle</image:title>
      <image:caption>Bacdown Hand Soap, 5 L Bottle, Provides Excellent Soil Removal without  Drying or Staining, Dispenser Pump Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/refills-for-bacdown-hand-soap</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4821-02_ac7cc06b-f939-43ff-b659-e5e41b6ce170.png?v=1784697077</image:loc>
      <image:title>Refills for Bacdown Hand Soap</image:title>
      <image:caption>Refills for Bacdown Hand Soap</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/kuderna-danish-kd-concentrator-is-widely-used-to-concentrate-samples-corning-2158-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5500-81_e8ed714f-3ec9-46f4-8702-e16b2247c0f7.png?v=1784697079</image:loc>
      <image:title>Pyrex Kuderna-Danish (KD) Concentrator Apparatus with Hooks, Corning 2158-500</image:title>
      <image:caption>Pyrex Kuderna-Danish (KD) Concentrator Apparatus with Hooks, Corning 2158-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-flask-for-kuderna-danish-kd-concentrator-500-ml-includes-springs-and-clamp-corning-2158-500fo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5501-81.png?v=1784697080</image:loc>
      <image:title>Replacement Flask, for Kuderna-Danish (KD) Concentrator, 500 mL. Includes Springs and clamp, Corning 2158-500FO.</image:title>
      <image:caption>Replacement Flask, for Kuderna-Danish (KD) Concentrator, 500 mL. Includes Springs and clamp, Corning 2158-500FO.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-flask-for-kuderna-danish-kd-concentrator-1000-ml-includes-springs-and-clamp-corning-2158-1-lfo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5501-86_e1be113c-b4db-41b1-85dc-a8aacbc9e8da.png?v=1784697081</image:loc>
      <image:title>Replacement Flask, for Kuderna-Danish (KD) Concentrator, 1000 mL. Includes springs and clamp, Corning 2158-1 LFO.</image:title>
      <image:caption>Replacement Flask, for Kuderna-Danish (KD) Concentrator, 1000 mL. Includes springs and clamp, Corning 2158-1 LFO.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snyder-columns-for-kuderna-danish-kd-concentrator-3-ball-corning-2158-3co</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5502-03_378026e5-4e2a-4f67-a081-af94237b852d.png?v=1784697083</image:loc>
      <image:title>Snyder Columns, for Kuderna-Danish (KD) Concentrator, 3 Ball, 2158-3CO</image:title>
      <image:caption>Snyder Columns, for Kuderna-Danish (KD) Concentrator, 3 Ball, 2158-3CO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-tube-for-kuderna-danish-kd-concentrator-15-ml-corning-2158-15to</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5503-34.png?v=1784697084</image:loc>
      <image:title>Replacement Tube, for Kuderna-Danish (KD) Concentrator, 15 mL, Corning 2158-15TO.</image:title>
      <image:caption>Replacement Tube, for Kuderna-Danish (KD) Concentrator, 15 mL, Corning 2158-15TO.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/custom-replacement-tube-for-corning-kuderna-danish-concentrator-apparatus-15-ml-graduated-hooks-for-springs-19-22-standard-taper-joint-d-4950-15</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5503-35.png?v=1784697086</image:loc>
      <image:title>Custom Replacement Tube for Corning Kuderna-Danish Concentrator Apparatus, 15 mL, Graduated, Hooks for Springs, 19/22 Standard Taper Joint, D-4950-15</image:title>
      <image:caption>Custom Replacement Tube for Corning Kuderna-Danish Concentrator Apparatus, 15 mL, Graduated, Hooks for Springs, 19/22 Standard Taper Joint, D-4950-15</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-tube-for-kuderna-danish-kd-concentrator-25-ml-corning-2158-25to</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5503-42_f640f202-629a-4e0e-a11f-847e58272453.png?v=1784697088</image:loc>
      <image:title>Pyrex Replacement Tube, for Kuderna-Danish (KD) Concentrator, 25 mL, Corning 2158-25TO</image:title>
      <image:caption>Pyrex Replacement Tube, for Kuderna-Danish (KD) Concentrator, 25 mL, Corning 2158-25TO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/condenser-pyrex-liebig-19-38-inner-outer-joints-41-mm-jacket-o-d-x-200-mm-length-corning-2400-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-77_818e375a-ccbd-4920-a5cb-4488f19039ee.png?v=1784697089</image:loc>
      <image:title>Condenser, PYREX Liebig, 19/38 Inner &amp; Outer Joints, 41 mm Jacket O.D. x 200 mm Length, Corning 2400-200</image:title>
      <image:caption>Condenser, PYREX Liebig, 19/38 Inner &amp; Outer Joints, 41 mm Jacket O.D. x 200 mm Length, Corning 2400-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/condenser-pyrex-liebig-24-40-inner-outer-joints-41-mm-jacket-od-x-300-mm-length-corning-2400-300</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-79_f679ed38-df7d-4994-a764-798f7867af10.png?v=1784697091</image:loc>
      <image:title>Condenser, PYREX, Liebig, 24/40 Inner &amp; Outer Joints, 41 mm Jacket OD x 300 mm Length, Corning 2400-300</image:title>
      <image:caption>Condenser, PYREX, Liebig, 24/40 Inner &amp; Outer Joints, 41 mm Jacket OD x 300 mm Length, Corning 2400-300</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/condenser-pyrex-liebig-24-40-inner-outer-joints-41-mm-jacket-od-x-400-mm-length-corning-2400-400</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-80_4a6f556b-1d8a-4212-8334-af4795d5b2b4.png?v=1784697092</image:loc>
      <image:title>Condenser, Pyrex, Liebig, 24/40 Inner &amp; Outer Joints, 41 mm Jacket OD x 400 mm Length, Corning 2400-400</image:title>
      <image:caption>Condenser, Pyrex, Liebig, 24/40 Inner &amp; Outer Joints, 41 mm Jacket OD x 400 mm Length, Corning 2400-400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/condenser-graham-with-top-and-bottom-24-40-standard-taper-joints-400-mm-length-c2560-1-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6025-80.png?v=1784697094</image:loc>
      <image:title>Pyrex Condenser, Graham, with Top and Bottom 24/40 Standard Taper Joints, 400 mm Length, Corning, 2560-400</image:title>
      <image:caption>Pyrex Condenser, Graham, with Top and Bottom 24/40 Standard Taper Joints, 400 mm Length, Corning, 2560-400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex%C2%AE-graham-condensers-drip-tip-inner-and-outer-standard-taper-joints-corning-2560-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6025-81_e751f338-4c24-45d6-9e88-7a36d890fcd9.png?v=1784697095</image:loc>
      <image:title>PYREX® Graham Condensers, Drip Tip, Inner and Outer Standard Taper Joints, Corning, 2560-500</image:title>
      <image:caption>PYREX® Graham Condensers, Drip Tip, Inner and Outer Standard Taper Joints, Corning, 2560-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/xxxx-corks-standard-taper-6-100-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6275-16.png?v=1784697097</image:loc>
      <image:title>XXXX Corks, Standard Taper, No. 6, 100/PK, 23420-184</image:title>
      <image:caption>XXXX Corks, Standard Taper, No. 6, 100/PK, 23420-184</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/corks-xxxx-reg-20-100-bg</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6275-30_f06cd09a-864b-4b67-8a25-a67e4c673798.png?v=1784697098</image:loc>
      <image:title>Corks XXXX REG #20 100/BG, 4XREG-20</image:title>
      <image:caption>Corks XXXX REG #20 100/BG, 4XREG-20</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cork-borer-set-15-for-3-16-to-15-16-in-holes-humboldt-h-9665</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6391-05.png?v=1784697100</image:loc>
      <image:title>Cork Borer Set with Handles, Plated Brass Set of 15, 3/16 to 15/16 in. Holes, Humboldt Manufacturing, H-9665</image:title>
      <image:caption>Cork Borer Set with Handles, Plated Brass Set of 15, 3/16 to 15/16 in. Holes, Humboldt Manufacturing, H-9665</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cork-knife-stainless-steel-blade-with-cushion-grip-vinyl-handle-blade-length-3-1-4-in-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6451-01.png?v=1784697102</image:loc>
      <image:title>Cork Knife, Stainless Steel Blade, with Cushion Grip, Vinyl Handle, Blade Length 3-1/4 in..[REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Cork Knife, Stainless Steel Blade, with Cushion Grip, Vinyl Handle, Blade Length 3-1/4 in..[REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cotton-pads-10-2-x-10-2-cm-4-x-4-in-100-pk-21902-985</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6505-44_fad75a5a-79a4-488e-9900-0d0e3388ca55.png?v=1784697103</image:loc>
      <image:title>Cotton Pads, 10.2 x 10.2 cm (4 x 4 in.), 100/PK, 21902-985</image:title>
      <image:caption>Cotton Pads, 10.2 x 10.2 cm (4 x 4 in.), 100/PK, 21902-985</image:caption>
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  <url>
    <loc>https://preiser.com/products/crucible-wide-form-32-mm-o-d-top-x-20-mm-h-8-ml-coors-60133</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6610-04_5150bb59-ef9f-4506-ac9b-d1da60113702.png?v=1784697104</image:loc>
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      <image:caption>Crucible, Wide Form, 32 mm O.D. Top x 20 mm H, 8 mL, Coors 60133</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-bitumen-with-perforated-bottom-coorstek-66170-replaces-60170</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6730-01_af3713e4-f5c4-435d-a25a-5f8ec56d595a.png?v=1784697106</image:loc>
      <image:title>Crucible, Bitumen, with Perforated Bottom, CoorsTek 66170 (Replaces 60170)</image:title>
      <image:caption>Crucible, Bitumen, with Perforated Bottom, CoorsTek 66170 (Replaces 60170)</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/crucible-gooch-25-ml-36-mm-o-d-20-to-21-mm-filter-with-two-0-7-mm-holes-suspension-filter-60155</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6810-02.png?v=1784697107</image:loc>
      <image:title>Crucible, Gooch, 25 mL, 36 mm O.D. (20 to 21 mm Filter) with Two 0.7 mm Holes, Suspension Filter, 60155</image:title>
      <image:caption>Crucible, Gooch, 25 mL, 36 mm O.D. (20 to 21 mm Filter) with Two 0.7 mm Holes, Suspension Filter, 60155</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/crucible-pyrex-gooch-type-high-form-fritted-disc-30-ml-coarse-corning-32960-30c</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6845-07.png?v=1784697109</image:loc>
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      <image:caption>Crucible, Pyrex, Gooch Type, High Form, Fritted Disc, 30 mL, Coarse, Corning, 32960-30C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-pyrex-gooch-type-low-form-fritted-disc-30-ml-medium-corning-32960-30m</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6845-08_247dbe49-b866-46bf-9d3b-c867daa940b3.png?v=1784697110</image:loc>
      <image:title>Crucible, Pyrex, Gooch Type, Low Form, Fritted Disc, 30 mL, Medium, Corning, 32960-30M</image:title>
      <image:caption>Crucible, Pyrex, Gooch Type, Low Form, Fritted Disc, 30 mL, Medium, Corning, 32960-30M</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-pyrex-gooch-type-low-form-fritted-disc-30-ml-fine-corning-32960-30f</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6845-09_d0d89a4e-1f1d-4ea3-b82c-bb63f8fe2d8c.png?v=1784697112</image:loc>
      <image:title>Crucible, Pyrex, Gooch Type, Low Form, Fritted Disc, 30 mL, Fine, Corning, 32960-30F</image:title>
      <image:caption>Crucible, Pyrex, Gooch Type, Low Form, Fritted Disc, 30 mL, Fine, Corning, 32960-30F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-pyrex-gooch-type-high-form-fritted-disc-30-ml-course-corning-32940-30c</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6850-01_c8665f95-2b38-4dd4-bca4-9d83981a3108.png?v=1784697113</image:loc>
      <image:title>Crucible, Pyrex, Gooch Type, High Form, Fritted Disc, 30 mL, Course, Corning, 32940-30C</image:title>
      <image:caption>Crucible, Pyrex, Gooch Type, High Form, Fritted Disc, 30 mL, Course, Corning, 32940-30C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-pyrex-gooch-type-high-form-fritted-disc-50-ml-course-corning-32940-50c</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6850-04_6b8f8e4f-a477-414c-88f4-193565d932fb.png?v=1784697116</image:loc>
      <image:title>Crucible, Pyrex, Gooch Type, High Form, Fritted Disc, 50 mL, Course, Corning, 32940-50C</image:title>
      <image:caption>Crucible, Pyrex, Gooch Type, High Form, Fritted Disc, 50 mL, Course, Corning, 32940-50C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-sargent-2-rubber-crucible-adapter-only</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6875-17_53a5468a-b8ad-45d7-8c53-412cdbbb6944.png?v=1784697117</image:loc>
      <image:title>Crucible Holder, Sargent #2 [RUBBER CRUCIBLE ADAPTER ONLY]</image:title>
      <image:caption>Crucible Holder, Sargent #2 [RUBBER CRUCIBLE ADAPTER ONLY]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-rubber-adapter-only</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6890-17_51869d14-26fb-40c6-a2a3-5b28fa72841e.png?v=1784697119</image:loc>
      <image:title>Crucible Holder [RUBBER ADAPTER ONLY]</image:title>
      <image:caption>Crucible Holder [RUBBER ADAPTER ONLY]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-filtervac-3-flask-and-funnel-not-included</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6890-20_a8af7e6f-ab46-4e84-9032-0e771aadf5fa.png?v=1784697121</image:loc>
      <image:title>Crucible Holder, FilterVac # 3 [FLASK AND FUNNEL NOT INCLUDED]</image:title>
      <image:caption>Crucible Holder, FilterVac # 3 [FLASK AND FUNNEL NOT INCLUDED]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-cover-iron-50-ml-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7100-53_fa5faec6-67a6-4c77-9972-b52b26df16fd.png?v=1784697122</image:loc>
      <image:title>Crucible Cover, Iron, 50 mL [Representative Image]</image:title>
      <image:caption>Crucible Cover, Iron, 50 mL [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-opaque-hi-quartz-20</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7325-39_eb678135-33ea-484c-ac5c-41526fbf3196.png?v=1784697123</image:loc>
      <image:title>Crucible, Opaque HI Quartz, 20</image:title>
      <image:caption>Crucible, Opaque HI Quartz, 20</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-hydrometer-50-x-200-mm-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7570-10_f0e52f5e-891e-4c61-bf04-119839e2ff30.png?v=1784697125</image:loc>
      <image:title>Cylinder, Hydrometer, 50 x 200 mm [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Cylinder, Hydrometer, 50 x 200 mm [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrometer-cylinder-38-x-150-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7585-71_71fb2d8c-7b7f-47cf-ae6b-734382285eac.png?v=1784697126</image:loc>
      <image:title>Hydrometer Cylinder, 38 x 150 mm</image:title>
      <image:caption>Hydrometer Cylinder, 38 x 150 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-class-b-10-ml-0-2-ml-graduation-intervals-20024-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-03_b3516168-7800-4d5f-a440-9a4bd196a854.png?v=1784697128</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Class B, 10 mL, 0.2 mL Graduation Intervals, 20024-10</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Class B, 10 mL, 0.2 mL Graduation Intervals, 20024-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-graduated-borosilicate-glass-class-b-to-deliver-25-ml-k20024</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-05_ec472041-a003-4911-a9a0-e3e9e7ad015b.png?v=1784697129</image:loc>
      <image:title>Cylinder, Graduated, Borosilicate Glass, Class B, To Deliver, 25 mL K20024</image:title>
      <image:caption>Cylinder, Graduated, Borosilicate Glass, Class B, To Deliver, 25 mL K20024</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-class-b-50-ml-1-ml-graduation-intervals-20024-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-06.png?v=1784697131</image:loc>
      <image:title>Graduated Cylinder, Calibrated  To Deliver, Class B, 50 mL, 1 mL Graduation Intervals, 20024-50</image:title>
      <image:caption>Graduated Cylinder, Calibrated  To Deliver, Class B, 50 mL, 1 mL Graduation Intervals, 20024-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-high-quality-single-metric-scale-with-pourout-calibrated-to-deliver-hexagonal-base-100-ml-with-safe-guard-bumpers</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-07_424717d4-9c1c-4331-9a77-92aaa60a8b4f.png?v=1784697133</image:loc>
      <image:title>Cylinder, High Quality, Single Metric Scale, with Pourout, Calibrated To Deliver, Hexagonal Base, 100 mL. With Safe Guard Bumpers, 20024-100</image:title>
      <image:caption>Cylinder, High Quality, Single Metric Scale, with Pourout, Calibrated To Deliver, Hexagonal Base, 100 mL. With Safe Guard Bumpers, 20024-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-class-b-250-ml-2-ml-graduation-intervals-20024-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-09.png?v=1784697134</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Class B, 250 mL, 2 mL Graduation Intervals, 20024-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Class B, 250 mL, 2 mL Graduation Intervals, 20024-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-class-b-500-ml-5-ml-graduation-intervals-20024-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-10_4ab2acfa-a472-44bc-b9fe-5de10528b27b.png?v=1784697135</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Class B, 500 mL, 5 mL Graduation Intervals, 20024-500</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Class B, 500 mL, 5 mL Graduation Intervals, 20024-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-class-b-2000-ml-20-ml-graduation-intervals-20024-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-12_3ecfcea7-8ce9-44ba-90e9-2f761cb9b691.png?v=1784697138</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Class B, 2000 mL, 20 mL Graduation Intervals, 20024-2000</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Class B, 2000 mL, 20 mL Graduation Intervals, 20024-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-educational-grade-10-ml-0-2-ml-graduation-intervals-kimble-20025k-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-28_28049146-017e-47b8-ae67-b6aa99d55b07.png?v=1784697140</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 10 mL, 0.2 mL Graduation Intervals, 20025K-10</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 10 mL, 0.2 mL Graduation Intervals, 20025K-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-educational-grade-25-ml-0-5-ml-graduation-intervals-kimble-20025k-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-42.png?v=1784697142</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 25 mL, 0.5 mL Graduation Intervals, 20025K-25</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 25 mL, 0.5 mL Graduation Intervals, 20025K-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-educational-grade-50-ml-1-ml-graduation-intervals-kimble-20025k-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-53_81351f2d-c9fc-48d5-b115-7f67d3612a90.png?v=1784697143</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 50 mL, 1 mL Graduation Intervals, 20025K-50</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 50 mL, 1 mL Graduation Intervals, 20025K-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-educational-grade-250-ml-2-ml-graduation-intervals-kimble-20025k-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-78.png?v=1784697146</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 250 mL, 2 mL Graduation Intervals, 20025K-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 250 mL, 2 mL Graduation Intervals, 20025K-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-educational-grade-1000-ml-10-ml-graduation-intervals-kimble-20025k-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-86.png?v=1784697149</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 1000 mL, 10 mL Graduation Intervals, 20025K-1000</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Educational Grade, 1000 mL, 10 mL Graduation Intervals, 20025K-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-10-ml-corning-3022-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-28.png?v=1784697152</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, Reusable, 10 mL, Corning, 3022-10</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, Reusable, 10 mL, Corning, 3022-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-25-ml-corning-3022-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-42_2d41eb7a-6a08-451b-a09c-e9a1f7060417.png?v=1784697154</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusuable, 25 mL, Corning 3022-25</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusuable, 25 mL, Corning 3022-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-50-ml-corning-3022-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-53_3931755e-9318-47b0-87fe-8eaae876ef49.png?v=1784697155</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 50 mL, Corning 3022-50</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 50 mL, Corning 3022-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-100-ml-corning-3022-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-67.png?v=1784697157</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 100 mL, Corning 3022-100</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 100 mL, Corning 3022-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-250-ml-corning-3022-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-78.png?v=1784697158</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 250 mL, Corning 3022-250</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 250 mL, Corning 3022-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-500-ml-corning-3022-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-81_15e4d8db-99d2-4672-8af5-f158c544a2f8.png?v=1784697160</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, 500 mL, Corning 3022-500</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, 500 mL, Corning 3022-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-1000-ml-corning-3022-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-86_49f8c34c-ebbd-4e36-94bc-fe536282cd38.png?v=1784697161</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, 1000 mL, Corning 3022-1 L</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, 1000 mL, Corning 3022-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-2000-ml-corning-3022-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-88_8e3e1ae4-2804-4e9a-b554-5b986725419e.png?v=1784697163</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 2000 mL, Corning 3022-1 L</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Contain, Reusable, 2000 mL, Corning 3022-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-10-ml-corning-3062-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-28_d08640d1-84e0-46c1-ab32-2b4e5c1da6d5.png?v=1784697164</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 10 mL, Corning 3062-10</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 10 mL, Corning 3062-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-25-ml-corning-3062-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-42_62ae1c8a-3f9f-40de-a7c1-fe9a4fd6758d.png?v=1784697166</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 25 mL, Corning, 3062-25</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 25 mL, Corning, 3062-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-50-ml-corning-3062-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-53_b5e591f6-ae8a-4442-ac5b-fb0b7b5e0864.png?v=1784697167</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 50 mL, Corning, 3062-50</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 50 mL, Corning, 3062-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-100-ml-corning-3062-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-67.png?v=1784697169</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 100 mL, Corning, 3062-100</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 100 mL, Corning, 3062-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-250-ml-corning-3062-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-78_477a4ff2-5779-457d-948b-8086e91e6bc9.png?v=1784697170</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 250 mL, Corning, 3062-250</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 250 mL, Corning, 3062-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-500-ml-corning-3062-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-81_cb171614-833b-42c6-a900-45b79300303d.png?v=1784697172</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 500 mL, Corning, 3062-500</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 500 mL, Corning, 3062-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-serialized-certified-class-a-single-metric-scale-graduated-calibrated-to-deliver-1-l-corning-3062-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-86_512ca151-7387-4ede-8608-4cd28391588c.png?v=1784697173</image:loc>
      <image:title>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 1 L, Corning, 3062-1 L</image:title>
      <image:caption>Cylinder, Pyrex, Serialized/Certified, Class A, Single Metric Scale, Graduated, Calibrated To Deliver, 1 L, Corning, 3062-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-5-ml-corning-3024-5</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-21_cd1cbb89-0a8c-4d16-a4a3-5f83b3dd78ba.png?v=1784697176</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 5 mL, Corning, 3024-5</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 5 mL, Corning, 3024-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-10-ml-corning-3024-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-28_9a1cb982-a9ac-4126-8430-d86efddbf782.png?v=1784697178</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 10 mL, Corning, 3024-10</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 10 mL, Corning, 3024-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-25-ml-corning-3024-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-42_cb100592-85eb-4f9c-9afd-35e1ec6e388e.png?v=1784697179</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 25 mL, Corning, 3024-25</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 25 mL, Corning, 3024-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-50-ml-corning-3024-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-53_55f42fd4-9e83-4f41-90ff-622aa641b45e.png?v=1784697181</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 50 mL, Corning, 3024-50</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 50 mL, Corning, 3024-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-100-ml-corning-3024-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-67.png?v=1784697182</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 100 mL, Corning, 3024-100</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 100 mL, Corning, 3024-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-250-ml-corning-3024-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-78_9b53140e-9030-48dc-a9f7-2fb6fe059f02.png?v=1784697184</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 250 mL, Corning, 3024-250</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 250 mL, Corning, 3024-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-500-ml-corning-3024-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-81.png?v=1784697186</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 500 mL, Corning, 3024-500</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 500 mL, Corning, 3024-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-1000-ml-corning-3024-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-86_3afd1108-45f3-44f9-8437-e604b39bd74b.png?v=1784697187</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 1000 mL, Corning, 3024-1L</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 1000 mL, Corning, 3024-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-deliver-2000-ml-corning-3024-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-88_9b99682a-2c6e-48b4-9f95-e0ddf41d9539.png?v=1784697188</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 2000 mL, Corning, 3024-2L</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated To Deliver, 2000 mL, Corning, 3024-2L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-red-stripe-25-ml-0-2-ml-graduation-intervals-kimble-20024d-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-42_2928ae4a-7221-43b6-93f4-279db305f120.png?v=1784697193</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 25 mL, 20024D-25</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 25 mL, 20024D-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-red-stripe-100-ml-1-ml-graduation-intervals-kimble-20024d-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-67_9b466856-e77c-4900-baf8-e87c5405f1d4.png?v=1784697196</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 100 mL, 1 mL Graduation Intervals, 20024D-100</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 100 mL, 1 mL Graduation Intervals, 20024D-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-red-stripe-250-ml-2-ml-graduation-intervals-kimble-20024d-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-78_3cb46d15-afac-4c10-a94d-3ff7c6df9b06.png?v=1784697198</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 250 mL, 2 mL Graduation Intervals, 20024D-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 250 mL, 2 mL Graduation Intervals, 20024D-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-red-stripe-500-ml-5-ml-graduation-intervals-kimble-20024d-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-81_7847d739-ef4f-452f-b691-7d825dff7a17.png?v=1784697199</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 500 mL, 5 mL Graduation Intervals, 20024D-500</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Red Stripe, 500 mL, 5 mL Graduation Intervals, 20024D-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-1000-ml-class-b-to-contain-k20024d</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-86_cd0917e6-cb8d-42be-b80a-0ea6adf11a01.png?v=1784697200</image:loc>
      <image:title>Cylinder, 1000 mL, Class B, To Deliver, Red-Stripe, 20024D-1000</image:title>
      <image:caption>Cylinder, 1000 mL, Class B, To Deliver, Red-Stripe, 20024D-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-graduate-student-grade-to-contain-50-ml-corning-3075-50-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7700-53_1c54c297-c613-4e1a-b029-a53905d16410.png?v=1784697203</image:loc>
      <image:title>Cylinder, Graduate, Student Grade, To Contain, 50 mL, Corning, 3075-50 [Representative Image]</image:title>
      <image:caption>Cylinder, Graduate, Student Grade, To Contain, 50 mL, Corning, 3075-50 [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-100ml-c3075</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7700-67_eb94110b-88eb-481d-9b45-f0a11d075831.png?v=1784697205</image:loc>
      <image:title>Cylinder 100mL C3075</image:title>
      <image:caption>Cylinder 100mL C3075</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-low-form-class-b-50-ml-1-ml-graduation-intervals-kimble-20032-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7736-53_2a786753-242a-4644-87a5-89a41507c25e.png?v=1784697206</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Low Form, Class B, 50 mL, 1 mL Graduation Intervals, 20032-50</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Low Form, Class B, 50 mL, 1 mL Graduation Intervals, 20032-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-low-form-class-b-100-ml-2-ml-graduation-intervals-kimble-20032-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7736-67_65417858-b4d5-4b55-9d01-0bd5eb21b16b.png?v=1784697208</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Low Form, Class B, 100 mL, 2 mL Graduation Intervals, 20032-100</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Low Form, Class B, 100 mL, 2 mL Graduation Intervals, 20032-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-low-form-tuttle-type-50-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7739-53_7e617623-7f86-485b-96ae-2a541aeb663f.png?v=1784697209</image:loc>
      <image:title>Cylinder, Low Form, Tuttle Type, 50 mL</image:title>
      <image:caption>Cylinder, Low Form, Tuttle Type, 50 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-double-metric-scale-class-b-25-ml-0-5-ml-graduation-intervals-kimble-20030-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-42_bf6d03f6-29a8-42ab-9112-9757b9c7b797.png?v=1784697212</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 25 mL, 0.5 mL Graduation Intervals, 20030-25</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 25 mL, 0.5 mL Graduation Intervals, 20030-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-double-metric-scale-class-b-50-ml-1-ml-graduation-intervals-kimble-20030-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-53_51fd6fc2-35af-48eb-bd35-311ed741c6e5.png?v=1784697214</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 50 mL, 1 mL Graduation Intervals, 20030-50</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 50 mL, 1 mL Graduation Intervals, 20030-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-double-metric-scale-class-b-100-ml-1-ml-graduation-intervals-kimble-20030-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-67_11ca04b3-c841-4f9e-8a42-dc30e6918aeb.png?v=1784697215</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 100 mL, 1 mL Graduation Intervals, 20030-100</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 100 mL, 1 mL Graduation Intervals, 20030-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-deliver-double-metric-scale-class-b-250-ml-2-ml-graduation-intervals-kimble-20030-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-78_26f0d835-9ccc-4e94-9f8b-3f1462a226bf.png?v=1784697216</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 250 mL, 2 mL Graduation Intervals, 20030-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Deliver, Double Metric Scale, Class B, 250 mL, 2 mL Graduation Intervals, 20030-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/kimax-double-metric-scale-cylinder-with-bumper-500-ml-calibrated-to-deliver-and-printed-with-a-double-white-enamel-ceramic-scale</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-81_66446d90-0e19-471f-a8b4-02351fb8f07d.png?v=1784697218</image:loc>
      <image:title>Graduated Cylinder, Double Metric Scale with Bumper, 500 mL, Calibrated To Deliver, 20030-500</image:title>
      <image:caption>Graduated Cylinder, Double Metric Scale with Bumper, 500 mL, Calibrated To Deliver, 20030-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-scale-10-ml-to-contain-corning-3025-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-28_7424141b-2977-4112-95df-60a83790024f.png?v=1784697222</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Double Scale, 10 mL, To Contain, Corning, 3025-10</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Double Scale, 10 mL, To Contain, Corning, 3025-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-scale-25-ml-to-contain-1-pk-corning-3025-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-42.png?v=1784697224</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Double Scale, 25 mL, To Contain, 1/PK , Corning, 3025-25</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Double Scale, 25 mL, To Contain, 1/PK , Corning, 3025-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-50-ml-corning-3025-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-53_5a5c873a-eeb2-44e3-888d-43862d82e488.png?v=1784697225</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 50 mL, Corning 3025-50</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 50 mL, Corning 3025-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-100-ml-corning-3025-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-67_951809f5-fa03-4734-86aa-4a2222e67512.png?v=1784697227</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 100 mL, Corning 3025-100</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 100 mL, Corning 3025-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-250-ml-corning-3025-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-78_fe52e947-463a-4df7-8586-5efc39a2cb0b.png?v=1784697228</image:loc>
      <image:title>Cylinder, Pyrex, Double Metric Scale, Graduated, Calibrated  To Contain, Economy, 250 mL, Corning 3025-250</image:title>
      <image:caption>Cylinder, Pyrex, Double Metric Scale, Graduated, Calibrated  To Contain, Economy, 250 mL, Corning 3025-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-500-ml-corning-3025-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-81.png?v=1784697229</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 500 mL, Corning 3025-500</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Double Metric Scale, Calibrated To Contain, Economy, 500 mL, Corning 3025-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-1-l-corning-3025-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-86_f297a5b2-0e9d-4073-83b4-3be1010a99a4.png?v=1784697231</image:loc>
      <image:title>Graduated Cylinder, PYREX, Double Metric Scale, Calibrated To Contain, Economy, 1 L, Corning 3025-1 L</image:title>
      <image:caption>Graduated Cylinder, PYREX, Double Metric Scale, Calibrated To Contain, Economy, 1 L, Corning 3025-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-2-l-corning-3025-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-88_1ee3980a-608a-4ca3-bd01-2952853409be.png?v=1784697232</image:loc>
      <image:title>Graduated Cylinder, PYREX, Double Metric Scale, Calibrated To Contain, Economy, 2 L, Corning 3025-2 L</image:title>
      <image:caption>Graduated Cylinder, PYREX, Double Metric Scale, Calibrated To Contain, Economy, 2 L, Corning 3025-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-10-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-28_e56c2c02-3de3-4a43-86e8-70d8b0a81dc3.png?v=1784697234</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 10 mL x 0.2 mL, Dynalon Labware, 239005</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 10 mL x 0.2 mL, Dynalon Labware, 239005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-25-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-42_c8b8e14f-0292-42fa-bde6-1af24df4b26a.png?v=1784697235</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 25 mL x 0.5 mL, Dynlon Labware, 239015</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 25 mL x 0.5 mL, Dynlon Labware, 239015</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-50-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-53_95850a72-720f-44a4-a424-6b2a2173f104.png?v=1784697237</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 50 mL x 1 mL, Dynalon Labware, 239025</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 50 mL x 1 mL, Dynalon Labware, 239025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-100-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-67.png?v=1784697238</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 100 mL x 1 mL, Dynalon Labware, 239035</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 100 mL x 1 mL, Dynalon Labware, 239035</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-250-ml-x-2-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-78.png?v=1784697240</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 250 mL x 2 mL, Dynalon Labware, 239045</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 250 mL x 2 mL, Dynalon Labware, 239045</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-500-ml-x-5-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-81_4c86534f-783e-4bd9-9a95-8284784097c1.png?v=1784697241</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 500 mL x 5 mL, Dynalon Labware, 239055</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 500 mL x 5 mL, Dynalon Labware, 239055</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-1000-ml-x-10-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-86_a0ed5fd2-115c-48c6-9dde-f45bad84e426.png?v=1784697243</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 1000 mL x 10 mL, Dynalon Labware, 239065</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 1000 mL x 10 mL, Dynalon Labware, 239065</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polypropylene-2000-ml-x-20-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-88_59146a81-d0e7-4011-b1c4-0ae7f39d1ffe.png?v=1784697246</image:loc>
      <image:title>Graduated Cylinder, Economy Molded, Polypropylene, 2000 mL x 20 mL, Dynalon Labware, 239075</image:title>
      <image:caption>Graduated Cylinder, Economy Molded, Polypropylene, 2000 mL x 20 mL, Dynalon Labware, 239075</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-variety-pack-10-25-50-100-250-500-100-ml-polypropylene-copolymer-ppco-3662-1234</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-01_476867eb-0651-4fb7-9212-ad47e7f539e2.png?v=1784697247</image:loc>
      <image:title>Nalgene Graduated Cylinder Economy, Variety Pack (10/25/50/100/250/500/100 mL) Polypropylene Copolymer (PPCO) 3662-1234</image:title>
      <image:caption>Nalgene Graduated Cylinder Economy, Variety Pack (10/25/50/100/250/500/100 mL) Polypropylene Copolymer (PPCO) 3662-1234</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-10-ml-3664-0010</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-02.png?v=1784697249</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 10 mL, 3664-0010</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 10 mL, 3664-0010</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-25-ml-3664-0025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-03.png?v=1784697250</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 25 mL, 3664-0025</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 25 mL, 3664-0025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-250-ml-3664-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-04_bf62373e-76b1-419d-8227-2c24987ca878.png?v=1784697251</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 250 mL, 3664-0250</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 250 mL, 3664-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-500-ml-3664-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-05_24767f23-fbcf-407e-98f2-01caac4b29e8.png?v=1784697253</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 500 mL, 3664-0500</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 500 mL, 3664-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-50-ml-3664-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-53_7832b884-26c3-413a-a8ad-65792597994f.png?v=1784697254</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 50 mL, 3664-0050</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 50 mL, 3664-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-100-ml-3664-0100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-67_8b0fc8b9-0fc1-4792-a587-65a11d6831af.png?v=1784697256</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 100 mL, 3664-0100</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 100 mL, 3664-0100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-graduated-cylinder-economy-polypropylene-pp-1000-ml-3664-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-86_637aa780-f448-437d-99b6-03ddcf2d9cb0.png?v=1784697258</image:loc>
      <image:title>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 1000 mL, 3664-1000</image:title>
      <image:caption>Nalgene Graduated Cylinder, Economy, Polypropylene (PP) 1000 mL, 3664-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/holdfast-graduated-cylinder-1000-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7949-86_5883dab2-ae83-4d4c-8b15-26e46ade716f.png?v=1784697259</image:loc>
      <image:title>Graduated Cylinder, Holdfast with Handle, Polypropylene, 1000 mL, SP Bel-Art Products, F28461-1000</image:title>
      <image:caption>Graduated Cylinder, Holdfast with Handle, Polypropylene, 1000 mL, SP Bel-Art Products, F28461-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/holdfast-graduated-cylinder-2000-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7949-88_4ea615c9-ab00-4004-affc-25a493fbfd75.png?v=1784697261</image:loc>
      <image:title>Graduated Cylinder, Holdfast with Handle, Polypropylene, 2000 mL, SP Bel-Art Products, F28461-2000</image:title>
      <image:caption>Graduated Cylinder, Holdfast with Handle, Polypropylene, 2000 mL, SP Bel-Art Products, F28461-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-cylinder-graduated-polymethylpentene-25-ml-3665-0025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-42_eed1f0ed-6296-483a-ac47-aa7c52b72dcc.png?v=1784697262</image:loc>
      <image:title>Nalgene, Cylinder, Graduated, Polymethylpentene, 25 mL, 3665-0025</image:title>
      <image:caption>Nalgene, Cylinder, Graduated, Polymethylpentene, 25 mL, 3665-0025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-cylinder-graduated-polymethylpentene-100-ml-3665-0100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-67_28923423-2921-4df7-baf0-3a8c9a3476fc.png?v=1784697264</image:loc>
      <image:title>Nalgene, Cylinder, Graduated, Polymethylpentene, 100 mL, 3665-0100</image:title>
      <image:caption>Nalgene, Cylinder, Graduated, Polymethylpentene, 100 mL, 3665-0100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-cylinder-graduated-polymethylpentene-250-ml-3665-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-78_2427a84f-6057-4eed-b262-03296e2d120f.png?v=1784697265</image:loc>
      <image:title>Nalgene, Cylinder, Graduated, Polymethylpentene, 250 mL, 3665-0250</image:title>
      <image:caption>Nalgene, Cylinder, Graduated, Polymethylpentene, 250 mL, 3665-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-cylinder-graduated-polymethylpentene-500-ml-3665-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-81_b7af75ee-70fc-42a4-ae2e-09636a35c239.png?v=1784697267</image:loc>
      <image:title>Nalgene, Cylinder, Graduated, Polymethylpentene, 500 mL, 3665-0500</image:title>
      <image:caption>Nalgene, Cylinder, Graduated, Polymethylpentene, 500 mL, 3665-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-cylinder-graduated-polymethylpentene-1000-ml-3665-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-86_8d55f63b-da2d-4c9c-a753-ac7cf2d495db.png?v=1784697268</image:loc>
      <image:title>Nalgene Cylinder, Graduated, Polymethylpentene, 1000 mL, 3665-1000</image:title>
      <image:caption>Nalgene Cylinder, Graduated, Polymethylpentene, 1000 mL, 3665-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-25-ml-x-0-5-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-42_0b39076a-8f46-4eb1-8bde-896d8a847db7.png?v=1784697270</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 25 mL x 0.5 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 25 mL x 0.5 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-50-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-53.png?v=1784697271</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 50 mL x 1 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 50 mL x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-100-ml-x-1-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-67.png?v=1784697273</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 100 mL x 1 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 100 mL x 1 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-tpx-polymethylpentene-pmp-class-b-molded-graduations-100-ml-30-cs-globe-scientific-601573</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-68_6501fe75-52af-42d3-affe-0a0b326ebf02.png?v=1784697275</image:loc>
      <image:title>Graduated Cylinder, TPX Polymethylpentene (PMP), Class B, Molded Graduations, 100 mL, 30/CS, Globe Scientific, 601573</image:title>
      <image:caption>Graduated Cylinder, TPX Polymethylpentene (PMP), Class B, Molded Graduations, 100 mL, 30/CS, Globe Scientific, 601573</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-250-ml-x-2-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-78_c9ff0940-0f7d-4ac9-91ad-a8cbe128f821.png?v=1784697276</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 250 mL x 2 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 250 mL x 2 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-500-ml-x-5-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-81_07f4464f-c3d4-4802-b6c8-a199ee9f3cdf.png?v=1784697278</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 500 mL x 5 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 500 mL x 5 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-1000-ml-x-10-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-86_d49b2f8d-5b17-498d-a498-d15321156a30.png?v=1784697279</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 1000 mL x 10 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 1000 mL x 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-economy-molded-polymethylpentene-2000-ml-x-10-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-88_9f5c3748-2ef6-4290-b549-685267a6230a.png?v=1784697281</image:loc>
      <image:title>Cylinder, Economy Molded, Polymethylpentene, 2000 mL x 10 mL</image:title>
      <image:caption>Cylinder, Economy Molded, Polymethylpentene, 2000 mL x 10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-class-b-with-pennyhead-stopper-to-contain-10-ml-20039-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-03_df1159fe-c496-4795-9055-288dbfa3df61.png?v=1784697282</image:loc>
      <image:title>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 10 mL, 20039-10</image:title>
      <image:caption>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 10 mL, 20039-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-single-metric-scale-with-penny-head-stopper-hexagonal-base-class-b-to-contain-25-ml-dwk-20039-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-04_41293b2f-c2c7-49db-a961-7ca033bf95cd.png?v=1784697284</image:loc>
      <image:title>Cylinder, Single Metric Scale, with Penny Head Stopper, Hexagonal Base, Class B, To Contain, 25 mL, DWK, 20039-25</image:title>
      <image:caption>Cylinder, Single Metric Scale, with Penny Head Stopper, Hexagonal Base, Class B, To Contain, 25 mL, DWK, 20039-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-class-b-with-pennyhead-stopper-to-contain-50-ml-20039-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-06_6bab3c4c-333b-4c4c-b00d-ca61d4d025ab.png?v=1784697285</image:loc>
      <image:title>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 50 mL, 20039-50</image:title>
      <image:caption>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 50 mL, 20039-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-class-b-with-pennyhead-stopper-to-contain-100-ml-20039-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-07_7e385881-03b6-4dd9-ba71-2e805b65025c.png?v=1784697287</image:loc>
      <image:title>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 100 mL, 20039-100</image:title>
      <image:caption>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 100 mL, 20039-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-contain-class-b-250-ml-2-ml-graduation-intervals-kimble-20039-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-08_c02c565c-7a6e-4197-94c6-d415ab9cf94b.png?v=1784697288</image:loc>
      <image:title>Graduated Cylinder, Calibrated  To Contain, Class B, 250 mL, 2 mL Graduation Intervals, Kimble 20039-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated  To Contain, Class B, 250 mL, 2 mL Graduation Intervals, Kimble 20039-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-class-b-with-pennyhead-stopper-to-contain-500-ml-20039-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-09.png?v=1784697290</image:loc>
      <image:title>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 500 mL, 20039-500</image:title>
      <image:caption>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 500 mL, 20039-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-class-b-with-pennyhead-stopper-to-contain-1000-ml-20039-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-10_a0b14f1b-b54e-4d48-b31d-3519f3f397a7.png?v=1784697291</image:loc>
      <image:title>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 1000 mL, 20039-1000</image:title>
      <image:caption>Graduated Mixing Cylinder, Class B with Pennyhead Stopper, To Contain, 1000 mL, 20039-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-with-pyrex-standard-taper-stopper-25-ml-corning-2982-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-42_f40ca2e5-a319-4b97-868e-adf5cbf5bdff.png?v=1784697292</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 25 mL, Corning 2982-25</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 25 mL, Corning 2982-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-with-pyrex-standard-stopper-50-ml-corning-2982-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-53_f3556810-fbf8-4ab7-8a12-87f69f15f68f.png?v=1784697294</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Stopper, 50 mL, Corning 2982-50</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Stopper, 50 mL, Corning 2982-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-with-pyrex-standard-taper-stopper-100-ml-corning-2982-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-67_1ba23457-5507-4c02-b854-8c731f1b849c.png?v=1784697295</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 100 mL, Corning 2982-100</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 100 mL, Corning 2982-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-class-a-to-contain-batch-certified-with-ground-glass-stopper-100-ml-cy2981-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-68_b0ea3ec7-f19f-4220-b85e-ca06a316630a.png?v=1784697297</image:loc>
      <image:title>Graduated Cylinder, Class A, To Contain, Batch Certified, with Ground Glass Stopper, 100 mL, CY2981-100</image:title>
      <image:caption>Graduated Cylinder, Class A, To Contain, Batch Certified, with Ground Glass Stopper, 100 mL, CY2981-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-single-metric-scale-graduated-calibrated-to-contain-with-pyrex-standard-taper-stopper-250-ml-corning-2982-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-78_6be43d5b-7931-4d5d-89bd-fb2c174cfcc9.png?v=1784697298</image:loc>
      <image:title>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 250 mL, Corning 2982-250</image:title>
      <image:caption>Cylinder, Pyrex, Single Metric Scale, Graduated, Calibrated  To Contain, with Pyrex Standard Taper Stopper, 250 mL, Corning 2982-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-glass-class-a-to-contain-mixing-with-stopper-500-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-82.png?v=1784697300</image:loc>
      <image:title>Graduated Cylinder, Glass, Class A, To Contain, Mixing, with Stopper, 500 mL</image:title>
      <image:caption>Graduated Cylinder, Glass, Class A, To Contain, Mixing, with Stopper, 500 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-blue-scale-class-b-with-pennyhead-stopper-to-contain-10-ml-20040-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-28_57a9f7e4-b35e-4650-b8a8-745cfb67b9c9.png?v=1784697301</image:loc>
      <image:title>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 10 mL, 20040-10</image:title>
      <image:caption>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 10 mL, 20040-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-blue-scale-class-b-with-pennyhead-stopper-to-contain-25-ml-20040-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-42_f9493f5d-879c-44f9-ba21-7967e448b998.png?v=1784697303</image:loc>
      <image:title>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 25 mL, 20040-25</image:title>
      <image:caption>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 25 mL, 20040-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-blue-scale-class-b-with-pennyhead-stopper-to-contain-50-ml-20040-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-53_2ba3c822-83d2-4f87-bcc6-083f48e89b8b.png?v=1784697305</image:loc>
      <image:title>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 50 mL, 20040-50</image:title>
      <image:caption>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 50 mL, 20040-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-contain-class-b-mixing-blue-scale-100-ml-1-ml-graduation-intervals-20040-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-67.png?v=1784697306</image:loc>
      <image:title>Graduated Cylinder, Calibrated  To Contain, Class B, Mixing, Blue Scale, 100 mL, 1 mL Graduation Intervals, 20040-100</image:title>
      <image:caption>Graduated Cylinder, Calibrated  To Contain, Class B, Mixing, Blue Scale, 100 mL, 1 mL Graduation Intervals, 20040-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-contain-class-b-mixing-blue-scale-250-ml-2-ml-graduation-intervals-20040-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-78_6c7fc401-c87c-4029-b0b4-5d3280760064.png?v=1784697308</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Contain, Class B, Mixing, Blue Scale, 250 mL, 2 mL Graduation Intervals, 20040-250</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Contain, Class B, Mixing, Blue Scale, 250 mL, 2 mL Graduation Intervals, 20040-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-blue-scale-class-b-with-pennyhead-stopper-to-contain-500-ml-20040-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-81.png?v=1784697309</image:loc>
      <image:title>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 500 mL, 20040-500</image:title>
      <image:caption>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 500 mL, 20040-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-calibrated-to-contain-class-b-mixing-blue-scale-1000-ml-10-ml-graduation-intervals-20040-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-86_6f57b76b-8906-4573-9470-001d99a0e29a.png?v=1784697311</image:loc>
      <image:title>Graduated Cylinder, Calibrated To Contain, Class B, Mixing, Blue Scale, 1000 mL, 10 mL Graduation Intervals, 20040-1000</image:title>
      <image:caption>Graduated Cylinder, Calibrated To Contain, Class B, Mixing, Blue Scale, 1000 mL, 10 mL Graduation Intervals, 20040-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-mixing-cylinder-blue-scale-class-b-with-pennyhead-stopper-to-contain-2000-ml-20040-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-88_e23d56a4-8c58-4d32-bfda-bf45485e8d30.png?v=1784697312</image:loc>
      <image:title>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 2000 mL, 20040-2000</image:title>
      <image:caption>Graduated Mixing Cylinder, Blue Scale, Class B with Pennyhead Stopper, To Contain, 2000 mL, 20040-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-100-ml-class-a-to-contain-1-cs-serialized-certified-standard-taper-stopper-corning-3002-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-67_9d5a203a-d7a6-4e17-9059-f341c1fd0993.png?v=1784697314</image:loc>
      <image:title>Cylinder, Pyrex, 100 mL, Class A, To Contain, 1/CS Serialized/Certified, Standard Taper Stopper, Corning, 3002-100</image:title>
      <image:caption>Cylinder, Pyrex, 100 mL, Class A, To Contain, 1/CS Serialized/Certified, Standard Taper Stopper, Corning, 3002-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-250-ml-class-a-to-contain-1-cs-serialized-certified-standard-taper-stopper-corning-3002-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-78_4380316d-080b-4d89-b46f-5ce6115a5d36.png?v=1784697315</image:loc>
      <image:title>Cylinder, Pyrex, 250 mL, Class A, To Contain, 1/CS Serialized/Certified, Standard Taper Stopper, Corning, 3002-250</image:title>
      <image:caption>Cylinder, Pyrex, 250 mL, Class A, To Contain, 1/CS Serialized/Certified, Standard Taper Stopper, Corning, 3002-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex%C2%AE-1l-single-metric-scale-cylinders-serialized-certified-class-a-standard-taper-stopper-white-graduations-tc-corning-3002-1l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-86.png?v=1784697317</image:loc>
      <image:title>PYREX® 1L Single Metric Scale Cylinders, Serialized/Certified Class A, Standard Taper Stopper, White Graduations, TC, Corning, 3002-1L</image:title>
      <image:caption>PYREX® 1L Single Metric Scale Cylinders, Serialized/Certified Class A, Standard Taper Stopper, White Graduations, TC, Corning, 3002-1L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/regular-drierite-anhydrous-calcium-sulfate-4-mesh-non-indicating-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8450-12_fc5bb271-bda8-4d3c-ad9f-ae0795a954a9.png?v=1784697319</image:loc>
      <image:title>Regular Drierite, Anhydrous Calcium Sulfate, 4 Mesh, Non-Indicating, 1 lb.</image:title>
      <image:caption>Regular Drierite, Anhydrous Calcium Sulfate, 4 Mesh, Non-Indicating, 1 lb.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/drierite-4-mesh-anhydrous-calcium-sulfate-non-indicating-5-lb-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8450-23.png?v=1784697322</image:loc>
      <image:title>Drierite, 4 Mesh, Anhydrous Calcium Sulfate,  Non-Indicating, 5 lb. Bottle</image:title>
      <image:caption>Drierite, 4 Mesh, Anhydrous Calcium Sulfate,  Non-Indicating, 5 lb. Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/regular-drierite-anhydrous-calcium-sulfate-6-mesh-non-indicating-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8451-12_7b5d279b-cf4d-4021-b182-67cf56f9ce07.png?v=1784697324</image:loc>
      <image:title>Regular Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 1 lb.</image:title>
      <image:caption>Regular Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 1 lb.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/regular-drierite-anhydrous-calcium-sulfate-6-mesh-non-indicating-5-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8451-23.png?v=1784697326</image:loc>
      <image:title>Regular Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 5 lb.</image:title>
      <image:caption>Regular Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 5 lb.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-4-mesh-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-12_39c57163-7c20-48fc-b8e8-30c8adff5e85.png?v=1784697329</image:loc>
      <image:title>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 1 lb.</image:title>
      <image:caption>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 1 lb.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-4-mesh-5-lb-w-a-hammond-21005</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-23_9aee19ee-576e-4e80-96e2-a1ba0d208fe8.png?v=1784697331</image:loc>
      <image:title>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 5 lb. W.A.Hammond 21005</image:title>
      <image:caption>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 5 lb. W.A.Hammond 21005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-4-mesh-25-lb-w-a-hammond-21025</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-42_918dec3c-240a-4067-8e98-4d070133f5a9.png?v=1784697333</image:loc>
      <image:title>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 25 lb. W.A.Hammond 21025</image:title>
      <image:caption>Indicating Drierite, Anhydrous Calcium Sulfate, 4 Mesh, 25 lb. W.A.Hammond 21025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/drierite-6-mesh-indicating-sold-by-bottle-bottle-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8461-12.png?v=1784697335</image:loc>
      <image:title>Drierite, 6 Mesh, Indicating (Sold by Bottle / Bottle = 1 lb.)</image:title>
      <image:caption>Drierite, 6 Mesh, Indicating (Sold by Bottle / Bottle = 1 lb.)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-6-mesh-5-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8461-23_fc74205d-6a2c-4da1-814b-ff539a02c7dc.png?v=1784697338</image:loc>
      <image:title>Indicating Drierite, Anhydrous Calcium Sulfate, 6 Mesh, 5 lb.</image:title>
      <image:caption>Indicating Drierite, Anhydrous Calcium Sulfate, 6 Mesh, 5 lb.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/drierite-10-mesh-20-mesh-indicating-sold-by-bottle-bottle-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8463-12.png?v=1784697340</image:loc>
      <image:title>Drierite, 10 Mesh - 20 Mesh, Indicating (Sold by Bottle / Bottle = 1 lb.)</image:title>
      <image:caption>Drierite, 10 Mesh - 20 Mesh, Indicating (Sold by Bottle / Bottle = 1 lb.)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-10-20-mesh-5-lb-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8463-23.png?v=1784697343</image:loc>
      <image:title>Indicating Drierite, Anhydrous Calcium Sulfate, 10 - 20 Mesh, 5 lb Bottle</image:title>
      <image:caption>Indicating Drierite, Anhydrous Calcium Sulfate, 10 - 20 Mesh, 5 lb Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stainless-steel-desiccating-cabinet-manual-pressure-vacuum-relief-valve-stackable-with-2-shelves-12-1-2-in-h-x-12-1-4-in-w-x-12-1-2-in-d</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1026-01_b410df77-1dbd-47b0-8a3e-161db100def6.png?v=1784697344</image:loc>
      <image:title>Stainless Steel Desiccating Cabinet, Manual Pressure/Vacuum Relief Valve, Stackable, with 2 Shelves, 12-1/2 in.H x 12-1/4 in.W x 12-1/2 in.D</image:title>
      <image:caption>Stainless Steel Desiccating Cabinet, Manual Pressure/Vacuum Relief Valve, Stackable, with 2 Shelves, 12-1/2 in.H x 12-1/4 in.W x 12-1/2 in.D</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stainless-steel-shelf-for-12-1026-01-desiccating-cabinet-9-75-in-x-9-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1026-02_0dc2ab33-d924-4229-a193-e34439611f4c.png?v=1784697346</image:loc>
      <image:title>Stainless Steel Shelf for 12-1026-01 Desiccating Cabinet, 9.75 in. x 9 in.</image:title>
      <image:caption>Stainless Steel Shelf for 12-1026-01 Desiccating Cabinet, 9.75 in. x 9 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stainless-steel-desiccating-cabinet-manual-pressure-vacuum-relief-valve-stackable-with-2-shelves-19-3-4-in-h-x-15-3-4-in-w-x-21-3-4-in-d-boekel-1344</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-01_2b9d25a6-8f4a-43fe-b321-f4ef7ea4e419.png?v=1784697347</image:loc>
      <image:title>Stainless Steel Desiccating Cabinet, Manual Pressure/Vacuum Relief Valve, Stackable, with 2 Shelves, 19-3/4 in. H x 15-3/4 in. W x 21-3/4 in. D, Boekel, 1344</image:title>
      <image:caption>Stainless Steel Desiccating Cabinet, Manual Pressure/Vacuum Relief Valve, Stackable, with 2 Shelves, 19-3/4 in. H x 15-3/4 in. W x 21-3/4 in. D, Boekel, 1344</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/door-gasket-for-12-1027-01-desiccating-cabinet</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-05_2607a552-7272-4f63-996a-004f66182768.png?v=1784697348</image:loc>
      <image:title>Door Gasket for 12-1027-01 Desiccating Cabinet,</image:title>
      <image:caption>Door Gasket for 12-1027-01 Desiccating Cabinet,</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/shelf-stainless-steel-heavy-duty-grid-for-boekel-desiccator-12-1027-01-boekel-industries-inc-d1004371</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-06.png?v=1784697350</image:loc>
      <image:title>Shelf, Stainless Steel, Heavy Duty Grid for Boekel Desiccator 12-1027-01; Boekel Industries Inc D1004371</image:title>
      <image:caption>Shelf, Stainless Steel, Heavy Duty Grid for Boekel Desiccator 12-1027-01; Boekel Industries Inc D1004371</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/desiccator-cabinet-acrylic-10-in-x-7-in-x-8-1-2-in-with-sliding-shelves</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1049-01_1b1e6746-c74e-477c-82e7-215c77a6713c.png?v=1784697352</image:loc>
      <image:title>Desiccator Cabinet, Acrylic, 10 in. x 7 in. x 8-1/2 in., with Sliding Shelves</image:title>
      <image:caption>Desiccator Cabinet, Acrylic, 10 in. x 7 in. x 8-1/2 in., with Sliding Shelves</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-desiccator-cabinet-acrylic-neoprene-gasket-stainless-steel-latches-and-hinge-5317-0120</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1054-03.png?v=1784697353</image:loc>
      <image:title>Nalgene Desiccator Cabinet, Acrylic, Neoprene Gasket, Stainless Steel Latches and Hinge, 5317-0120</image:title>
      <image:caption>Nalgene Desiccator Cabinet, Acrylic, Neoprene Gasket, Stainless Steel Latches and Hinge, 5317-0120</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-desiccator-cabinet-acrylic-457-x-305-x-305-mm-thermo-scientific-5317-0180</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1054-05_b32fb5fc-f42d-4eca-8d82-3d87cb74f7ca.png?v=1784697354</image:loc>
      <image:title>Nalgene Desiccator Cabinet, Acrylic,  457 x 305 x 305 mm, Thermo Scientific, 5317-0180</image:title>
      <image:caption>Nalgene Desiccator Cabinet, Acrylic,  457 x 305 x 305 mm, Thermo Scientific, 5317-0180</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dry-keeper-polystrene-desiccator-cabinet-small-0-14-cu-ft-bel-art-products-h42053-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1055-01_fb75ab75-a37b-4af4-9e8a-5e959aa77dce.png?v=1784697356</image:loc>
      <image:title>Dry-Keeper Polystrene Desiccator Cabinet, Small, 0.14 cu.ft., Bel Art Products, H42053-0000</image:title>
      <image:caption>Dry-Keeper Polystrene Desiccator Cabinet, Small, 0.14 cu.ft., Bel Art Products, H42053-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/scheibler-desiccator-250-mm-id-with-cover</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1096-78_8a616da3-b7ee-4a36-8ba9-faf22fedc6c2.png?v=1784697357</image:loc>
      <image:title>Scheibler Desiccator, 250 mm ID with Cover</image:title>
      <image:caption>Scheibler Desiccator, 250 mm ID with Cover</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/desiccator-cover-only-glass-8-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1096C-77_77c339b9-5e5a-44bf-95f0-13904e6a8b31.png?v=1784697359</image:loc>
      <image:title>Desiccator Cover Only, Glass, 8 in.</image:title>
      <image:caption>Desiccator Cover Only, Glass, 8 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-replacement-ring-for-large-top-sleeve-desiccator</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1198-78_e4385952-9464-41bc-b2ab-0df23888cf57.png?v=1784697362</image:loc>
      <image:title>PYREX Replacement Ring for Large Top Sleeve Desiccator</image:title>
      <image:caption>PYREX Replacement Ring for Large Top Sleeve Desiccator</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/space-saver-polycarbonate-vacuum-desiccator-0-09-cu-ft-bel-art-products-f42012-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-01.png?v=1784697364</image:loc>
      <image:title>Space-saver Polycarbonate Vacuum Desiccator, 0.09 cu.ft., Bel Art Products, F42012-0000</image:title>
      <image:caption>Space-saver Polycarbonate Vacuum Desiccator, 0.09 cu.ft., Bel Art Products, F42012-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/space-saver-vacuum-desiccator-clear-polycarbonate-dome-and-white-polypropylene-bottom-0-20-cu-ft-bel-art-products-f42020-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-02_15d35429-16b4-49ce-9878-42cdeb3d6868.png?v=1784697365</image:loc>
      <image:title>Space-saver Vacuum Desiccator, Clear Polycarbonate Dome and White Polypropylene Bottom, 0.20 cu.ft., Bel Art Products, F42020-0000</image:title>
      <image:caption>Space-saver Vacuum Desiccator, Clear Polycarbonate Dome and White Polypropylene Bottom, 0.20 cu.ft., Bel Art Products, F42020-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/space-saver-vacuum-desiccator-clear-polycarbonate-dome-and-white-polypropylene-bottom-0-31-cu-ft-bel-art-products-f42025-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-03.png?v=1784697366</image:loc>
      <image:title>Space-saver Vacuum Desiccator, Clear Polycarbonate Dome and White Polypropylene Bottom, 0.31 cu.ft., Bel Art Products, F42025-0000</image:title>
      <image:caption>Space-saver Vacuum Desiccator, Clear Polycarbonate Dome and White Polypropylene Bottom, 0.31 cu.ft., Bel Art Products, F42025-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polypropylene-stopcock-for-space-saver-vacuum-desiccators-for-1-4-to-3-8-in-i-d-tubing-bel-art-products-f42040-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1280-15_f5b2f746-46fd-4e2f-9395-e643e58022cb.png?v=1784697367</image:loc>
      <image:title>Polypropylene Stopcock For Space Saver Vacuum Desiccators, for 1/4 to 3/8 in. I.D. Tubing, Bel Art Products, F42040-0000</image:title>
      <image:caption>Polypropylene Stopcock For Space Saver Vacuum Desiccators, for 1/4 to 3/8 in. I.D. Tubing, Bel Art Products, F42040-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/o-ring-neoprene-160-mm-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1285-01_ebf15ab4-4592-442c-8ac1-e6244d6f8c91.png?v=1784697369</image:loc>
      <image:title>O-Ring, Neoprene, 160 mm [REPRESENTATIVE IMAGE</image:title>
      <image:caption>O-Ring, Neoprene, 160 mm [REPRESENTATIVE IMAGE</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-desiccator-polycarbonate-250-mm-i-d-for-vacuum-and-non-vacuum-applications-uses-230-mm-plate-sold-separately-5311-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1286-01_757ac7e5-5a8d-4849-8317-5aa580064f32.png?v=1784697370</image:loc>
      <image:title>Nalgene Desiccator, Polycarbonate, 250 mm I.D. For Vacuum and non-Vacuum applications, Uses 230 mm Plate (Sold Separately), 5311-0250.</image:title>
      <image:caption>Nalgene Desiccator, Polycarbonate, 250 mm I.D. For Vacuum and non-Vacuum applications, Uses 230 mm Plate (Sold Separately), 5311-0250.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/high-heat-minerit-hd-desiccator-plate-230-mm-bel-art-products-f42038-0230</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1291-77_cba08d79-565c-4a0f-a0b2-9178fa9ee03f.png?v=1784697372</image:loc>
      <image:title>High Heat Minerit HD Desiccator Plate 230 mm, Bel Art Products, F42038-0230</image:title>
      <image:caption>High Heat Minerit HD Desiccator Plate 230 mm, Bel Art Products, F42038-0230</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/desiccator-plate-190-mm-diameter-coorstek-60452</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1300-22_ff18d0e0-6cd1-4b9b-a640-8e3183e577f6.png?v=1784697373</image:loc>
      <image:title>Desiccator Plate, 190 mm Diameter, Coorstek, 60452</image:title>
      <image:caption>Desiccator Plate, 190 mm Diameter, Coorstek, 60452</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/desiccator-porcelain-230-mm-coorstel-60453</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1300-23_698662b5-cddf-4f35-8daf-8fc983c7d713.png?v=1784697375</image:loc>
      <image:title>Desiccator, Porcelain, 230 mm, Coorstel 60453</image:title>
      <image:caption>Desiccator, Porcelain, 230 mm, Coorstel 60453</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-weighing-dish-crinkle-sides-with-tab-43-mm-inside-diameter-100-pk-or-1000-cs-eagle-thermoplastic-inc-d43-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-00_57cbf76d-a095-4aa7-94ac-4eb5b5c834aa.png?v=1784697376</image:loc>
      <image:title>Aluminum Weighing Dish, Crinkle Sides with Tab, 43 mm Inside Diameter, 100/PK or 1000/CS, Eagle Thermoplastic Inc, D43-100</image:title>
      <image:caption>Aluminum Weighing Dish, Crinkle Sides with Tab, 43 mm Inside Diameter, 100/PK or 1000/CS, Eagle Thermoplastic Inc, D43-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-weighing-dish-crinkle-sides-with-tab-57-mm-id</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-01.png?v=1784697378</image:loc>
      <image:title>Aluminum Weighing Dish, Crinkle Sides with Tab, 57 mm ID</image:title>
      <image:caption>Aluminum Weighing Dish, Crinkle Sides with Tab, 57 mm ID</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-weighing-dish-disposable-crinkle-sides-with-tab-70-mm-id-x-5-8-in-depth-2-0-g-60-ml-capacity-100-pk-10-pks-cs-eagle-thermoplastics-d70-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-02_9b7f7f68-7d96-4fb7-b71b-469b20b16f4b.png?v=1784697380</image:loc>
      <image:title>Aluminum Weighing Dish, Disposable, Crinkle Sides with Tab, 70 mm ID x 5/8 in. Depth, 2.0 g / 60 mL Capacity, 100/PK, 10 PKS/CS, Eagle Thermoplastics, D70-100</image:title>
      <image:caption>Aluminum Weighing Dish, Disposable, Crinkle Sides with Tab, 70 mm ID x 5/8 in. Depth, 2.0 g / 60 mL Capacity, 100/PK, 10 PKS/CS, Eagle Thermoplastics, D70-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/general-purpose-disposable-aluminum-weighing-dishes-181-mm-id-x-203-mm-od-x-1-in-d-9-5-g-480-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-05.png?v=1784697381</image:loc>
      <image:title>General Purpose Disposable Aluminum Weighing Dishes, 181 mm ID x 203 mm OD x 1 in. D, 9.5 g, 480 mL</image:title>
      <image:caption>General Purpose Disposable Aluminum Weighing Dishes, 181 mm ID x 203 mm OD x 1 in. D, 9.5 g, 480 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-weighing-dish-with-flange-44-mm-id-20-ml-capacity</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-31_b650fc6a-42f3-4791-a5fc-1ddb9e36ff9a.png?v=1784697384</image:loc>
      <image:title>Aluminum Weighing Dish, with Flange, 44 mm ID, 20 mL capacity</image:title>
      <image:caption>Aluminum Weighing Dish, with Flange, 44 mm ID, 20 mL capacity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-dish-aluminum-round-disposable-smooth-without-tabs-70-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1572-01_d51b5e64-6d5b-46f6-b5cf-10f9707d727e.png?v=1784697386</image:loc>
      <image:title>Weighing Dish, Aluminum, Round, Disposable, Smooth, without  Tabs, 70 mm.</image:title>
      <image:caption>Weighing Dish, Aluminum, Round, Disposable, Smooth, without  Tabs, 70 mm.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/weighing-dish-aluminum-round-disposable-smooth-without-tabs-140-mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1572-02_4e37d526-c2de-44a3-b1c4-fa772e284dce.png?v=1784697387</image:loc>
      <image:title>Weighing Dish, Aluminum, Round, Disposable, Smooth, without  Tabs, 140 mm.</image:title>
      <image:caption>Weighing Dish, Aluminum, Round, Disposable, Smooth, without  Tabs, 140 mm.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-balance-pan-liner-disposable-4-in-102mm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1575-01.png?v=1784697389</image:loc>
      <image:title>Aluminum Balance Pan Liner, Disposable, 4 in. (102mm)</image:title>
      <image:caption>Aluminum Balance Pan Liner, Disposable, 4 in. (102mm)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crystallizing-dish-50-mm-diameter-x-35-mm-high-k23000-5035</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1691-01_ab781944-9548-4804-a403-c6ac93633a2a.png?v=1784697390</image:loc>
      <image:title>Crystallizing Dish, 50 mm Diameter x 35 mm High, K23000-5035</image:title>
      <image:caption>Crystallizing Dish, 50 mm Diameter x 35 mm High, K23000-5035</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-crystallizing-reinforced-rim-fire-polished-180-ml-70-mm-50-mm-corning-3140-70</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-03_c128e41d-d1df-4336-97c2-ee1e81f783b2.png?v=1784697392</image:loc>
      <image:title>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 180 mL, 70 mm 50 mm, Corning 3140-70</image:title>
      <image:caption>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 180 mL, 70 mm 50 mm, Corning 3140-70</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-crystallizing-reinforced-rim-fire-polished-180-ml-80-mm-x-40-mm-corning-3140-80</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-04_19b0d835-f47c-4163-9236-08f1fc842bf9.png?v=1784697393</image:loc>
      <image:title>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 180 mL, 80 mm x 40 mm, Corning 3140-80</image:title>
      <image:caption>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 180 mL, 80 mm x 40 mm, Corning 3140-80</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-crystallizing-reinforced-rim-fire-polished-325-ml-100-mm-x-50-mm-corning-3140-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-06.png?v=1784697395</image:loc>
      <image:title>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 325 mL, 100 mm x 50 mm, Corning 3140-100</image:title>
      <image:caption>Dish, Pyrex, Crystallizing, Reinforced Rim &amp; Fire Polished, 325 mL, 100 mm x 50 mm, Corning 3140-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-reusable-crystallizing-reinforced-rim-fire-polished-1200-ml-150-mm-x-75-mm-corning-3140-150-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-08_e26ba3fd-c75e-4a63-a3cf-56acf059c599.png?v=1784697396</image:loc>
      <image:title>Dish, Pyrex, Reusable Crystallizing, Reinforced Rim &amp; Fire Polished, 1200 mL, 150 mm x 75 mm, Corning 3140-150 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Dish, Pyrex, Reusable Crystallizing, Reinforced Rim &amp; Fire Polished, 1200 mL, 150 mm x 75 mm, Corning 3140-150 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-evaporating-140-ml-80-mm-x-40-mm-corning-3180-80</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-63.png?v=1784697397</image:loc>
      <image:title>Dish, Pyrex, Evaporating, 140 mL, 80 mm x 40 mm, Corning 3180-80</image:title>
      <image:caption>Dish, Pyrex, Evaporating, 140 mL, 80 mm x 40 mm, Corning 3180-80</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-evaporating-170-ml-90-mm-x-50-mm-corning-3180-90</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-65_253412a8-1b75-48ab-8c08-799748f19ea3.png?v=1784697399</image:loc>
      <image:title>Dish, Pyrex, Evaporating, 170 mL, 90 mm x 50 mm, Corning 3180-90</image:title>
      <image:caption>Dish, Pyrex, Evaporating, 170 mL, 90 mm x 50 mm, Corning 3180-90</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-evaporating-290-ml-105-mm-x-55-mm-corning-3180-105</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-68.png?v=1784697400</image:loc>
      <image:title>Dish, Pyrex, Evaporating, 290 mL, 105 mm x 55 mm, Corning 3180-105</image:title>
      <image:caption>Dish, Pyrex, Evaporating, 290 mL, 105 mm x 55 mm, Corning 3180-105</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-30-ml-60-mm-x-24-mm-coors-66196-replacement-for-60196</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-02_ef14173f-7c23-443c-bdb9-a0875161fce4.png?v=1784697402</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 30 mL, 60 mm x 24 mm, Coors, 66196 (Replacement for 60196)</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 30 mL, 60 mm x 24 mm, Coors, 66196 (Replacement for 60196)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-140-ml-94-mm-x-42-mm-coors-66200-replacement-for-60200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-06_f342dfb4-b192-44c5-ab88-14a5d67b2740.png?v=1784697403</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 140 mL, 94 mm x 42 mm, Coors, 66200 (Replacement for 60200)</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 140 mL, 94 mm x 42 mm, Coors, 66200 (Replacement for 60200)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-150-ml-100-mm-x-42-mm-coors-60201</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-07_ac276d7f-57d0-4f9b-91da-c77b5148c04d.png?v=1784697405</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 150 mL, 100 mm x 42 mm, Coors, 60201</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 150 mL, 100 mm x 42 mm, Coors, 60201</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-250-ml-115-mm-x-45-mm-coors-60202</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-08.png?v=1784697406</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 250 mL, 115 mm x 45 mm, Coors, 60202</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 250 mL, 115 mm x 45 mm, Coors, 60202</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-400-ml-140-mm-x-61-mm-coors-66204-replaces-60204</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-10.png?v=1784697408</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 400 mL, 140 mm x 61 mm, Coors, 66204 (Replaces 60204)</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 400 mL, 140 mm x 61 mm, Coors, 66204 (Replaces 60204)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-525-ml-162-mm-x-51-mm-coors-60205</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-11_d00a4d7f-027d-47b6-9627-a3a695db3ad3.png?v=1784697410</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 525 mL, 162 mm x 51 mm, Coors, 60205</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 525 mL, 162 mm x 51 mm, Coors, 60205</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-700-ml-170-mm-x-79-mm-coorstek-66206-replacement-for-60206</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-12_f464bee3-48d9-47a1-b687-e5cc458b9b05.png?v=1784697412</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 700 mL, 170 mm x 79 mm, Coorstek, 66206 (Replacement for 60206)</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 700 mL, 170 mm x 79 mm, Coorstek, 66206 (Replacement for 60206)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-1000-ml-200-mm-x-80-mm-coors-66207-replacement-for-60207</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-13_70b177da-bde5-4e93-868c-6d3f9081efc9.png?v=1784697413</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 1000 mL, 200 mm x 80 mm, Coors, 66207 (Replacement for 60207)</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 1000 mL, 200 mm x 80 mm, Coors, 66207 (Replacement for 60207)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-porcelain-3250-ml-305-mm-x-95-mm-60210</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-16_8d64a119-a5fe-4fc1-9e7c-ecd2ade849c5.png?v=1784697415</image:loc>
      <image:title>Dish, Evaporating, Porcelain, 3250 mL, 305 mm x 95 mm, 60210</image:title>
      <image:caption>Dish, Evaporating, Porcelain, 3250 mL, 305 mm x 95 mm, 60210</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/evaporating-dish-porcelain-60-ml-24-cs-coorstek-66198</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-27.png?v=1784697416</image:loc>
      <image:title>Evaporating Dish, Porcelain, 60 mL, 24/CS, Coorstek, 66198</image:title>
      <image:caption>Evaporating Dish, Porcelain, 60 mL, 24/CS, Coorstek, 66198</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-teflon-100-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1735-67_ced41e9d-478e-4b79-804b-53eb952c2c69.png?v=1784697418</image:loc>
      <image:title>Dish, Evaporating, Teflon, 100 mL</image:title>
      <image:caption>Dish, Evaporating, Teflon, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-evaporating-white-opaque-teflon-ptfe-heat-up-to-288-degrees-c-400-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1735-80_ae8ae817-e105-4f7a-bf8a-2aa26593377b.png?v=1784697419</image:loc>
      <image:title>Dish, Evaporating, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 400 mL</image:title>
      <image:caption>Dish, Evaporating, White Opaque Teflon PTFE, Heat up to 288 Degrees C, 400 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nunc-petri-dish-with-lid-sterile-polystyrene-ps-untreated-20-x-140-mm-249964</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-16_452c16c6-5bf2-4413-94a6-888c2266c7f6.png?v=1784697421</image:loc>
      <image:title>Nunc Petri Dish with Lid, Sterile Polystyrene (PS), Untreated, 20 x 140 mm, 249964</image:title>
      <image:caption>Nunc Petri Dish with Lid, Sterile Polystyrene (PS), Untreated, 20 x 140 mm, 249964</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nunc-petri-dish-with-lid-sterile-polystyrene-ps-treated-15-x-100-mm-263991</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-17_99f381d5-fa1e-42e8-807f-00db6ae748ac.png?v=1784697423</image:loc>
      <image:title>Nunc Petri Dish with Lid, Sterile, Polystyrene (PS), Treated, 15 x 100 mm, 263991</image:title>
      <image:caption>Nunc Petri Dish with Lid, Sterile, Polystyrene (PS), Treated, 15 x 100 mm, 263991</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nunc-petri-dish-deep-style-with-lid-sterile-polystyrine-ps-26-x-150-mm-4014-12</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-18_1d253063-3717-40d7-80dc-0cd34cc6cb36.png?v=1784697424</image:loc>
      <image:title>Nunc Petri Dish Deep Style, with Lid, Sterile, Polystyrine (PS), 26  x 150 mm, 4014-12</image:title>
      <image:caption>Nunc Petri Dish Deep Style, with Lid, Sterile, Polystyrine (PS), 26  x 150 mm, 4014-12</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nunc-square-petri-dish-with-lid-17-x-100-x-100-mm-vented-500-cs-4021</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-19_ec57dc6c-b120-4099-8cba-853ccbb52e05.png?v=1784697426</image:loc>
      <image:title>Nunc Square Petri Dish With Lid, 17 x 100 x 100 mm, Vented, 500/CS, 4021</image:title>
      <image:caption>Nunc Square Petri Dish With Lid, 17 x 100 x 100 mm, Vented, 500/CS, 4021</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-petri-dish-rack-for-100-mm-petri-dishes-polycarbonate-2-cs-5920-0060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-24_8bce17f5-72c3-4216-8b4b-b90fcdd5c050.png?v=1784697427</image:loc>
      <image:title>Nalgene Petri Dish Rack, for 100 mm Petri Dishes, Polycarbonate, 2/CS, 5920-0060</image:title>
      <image:caption>Nalgene Petri Dish Rack, for 100 mm Petri Dishes, Polycarbonate, 2/CS, 5920-0060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-replacement-posts-polycarbonate-for-nalgene-petri-dish-racks-5920-0060-and-5921-0060-4-cs-5920-0060</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-25_0fa51cab-5ad8-4036-8d56-fc58cc526238.png?v=1784697428</image:loc>
      <image:title>Nalgene Replacement Posts, Polycarbonate, for Nalgene Petri Dish Racks, 5920-0060 and 5921-0060, 4/CS, 5920-0060</image:title>
      <image:caption>Nalgene Replacement Posts, Polycarbonate, for Nalgene Petri Dish Racks, 5920-0060 and 5921-0060, 4/CS, 5920-0060</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-60-x-15-mm-petri-dish-with-cover-corning-3160-60</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-01.png?v=1784697430</image:loc>
      <image:title>Pyrex 60 x 15 mm Petri Dish with Cover, Corning, 3160-60</image:title>
      <image:caption>Pyrex 60 x 15 mm Petri Dish with Cover, Corning, 3160-60</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-culture-petri-flat-clear-bottom-cover-100-mm-x-10-mm-corning-3160-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-02_3eddb143-e10b-4684-b2b1-4b9dc0c6a128.png?v=1784697431</image:loc>
      <image:title>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 10 mm, Corning 3160-100</image:title>
      <image:caption>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 10 mm, Corning 3160-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-culture-petri-flat-clear-bottom-cover-100-mm-x-15-mm-corning-3160-101</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-03_7439892f-cd4b-45ab-bdf6-9bf151c151a0.png?v=1784697433</image:loc>
      <image:title>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 15 mm, Corning 3160-101</image:title>
      <image:caption>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 15 mm, Corning 3160-101</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-culture-petri-flat-clear-bottom-cover-100-mm-x-20-mm-corning-3160-102</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-04_8a793f64-bb10-4c4d-9f02-1a847fe52886.png?v=1784697435</image:loc>
      <image:title>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 20 mm, Corning 3160-102</image:title>
      <image:caption>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 100 mm x 20 mm, Corning 3160-102</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-culture-petri-flat-clear-bottom-cover-150-mm-x-15-mm-corning-3160-150</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820X-05.png?v=1784697436</image:loc>
      <image:title>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 150 mm x 15 mm, Corning 3160-150</image:title>
      <image:caption>Dish, Pyrex, Culture, Petri, Flat, Clear, Bottom &amp; Cover, 150 mm x 15 mm, Corning 3160-150</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-cover-only-pyrex-culture-petri-60-mm-x-15-mm-corning-3160-60co</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-01_20a78623-c31c-469d-9c12-758aaf9cc6fa.png?v=1784697438</image:loc>
      <image:title>Dish Cover Only, Pyrex, Culture, Petri, 60 mm x 15 mm, Corning 3160-60CO</image:title>
      <image:caption>Dish Cover Only, Pyrex, Culture, Petri, 60 mm x 15 mm, Corning 3160-60CO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-pyrex-petri-cover-only-100-mm-x-15-mm-corning-3160-101c</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-03_fa6d99e5-ec8c-4f2d-97be-04979b6a0d56.png?v=1784697439</image:loc>
      <image:title>Dish, Pyrex, Petri, Cover Only, 100 mm x 15 mm, Corning 3160-101C.</image:title>
      <image:caption>Dish, Pyrex, Petri, Cover Only, 100 mm x 15 mm, Corning 3160-101C.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-cover-only-pyrex-culture-petri-100-mm-x-20-mm-corning-3160-102co</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-04_ff7d7a36-fa2a-426b-a431-e9a44a2d0e6b.png?v=1784697440</image:loc>
      <image:title>Dish Cover Only, Pyrex, Culture, Petri, 100 mm x 20 mm, Corning 3160-102CO</image:title>
      <image:caption>Dish Cover Only, Pyrex, Culture, Petri, 100 mm x 20 mm, Corning 3160-102CO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-bottom-only-pyrex-culture-petri-100-mm-x-10-mm-corning-3160-100bo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-02.png?v=1784697442</image:loc>
      <image:title>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 10 mm, Corning 3160-100BO</image:title>
      <image:caption>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 10 mm, Corning 3160-100BO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-bottom-only-pyrex-culture-petri-100-mm-x-15-mm-corning-3160-101bo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-03_e5d6bdab-f387-42c3-9f3c-d6250f21355e.png?v=1784697443</image:loc>
      <image:title>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 15 mm, Corning 3160-101BO</image:title>
      <image:caption>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 15 mm, Corning 3160-101BO</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/dish-bottom-only-pyrex-culture-petri-100-mm-x-20-mm-corning-3160-102bo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-04_e4ba6cb1-a916-40bf-ad45-ccafeb79e4b2.png?v=1784697445</image:loc>
      <image:title>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 20 mm, Corning 3160-102BO</image:title>
      <image:caption>Dish Bottom Only, Pyrex, Culture, Petri, 100 mm x 20 mm, Corning 3160-102BO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dish-bottom-only-pyrex-culture-petri-150-mm-x-15-mm-corning-3160-150bo</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-05.png?v=1784697446</image:loc>
      <image:title>Dish Bottom Only, Pyrex, Culture, Petri, 150 mm x 15 mm, Corning 3160-150BO</image:title>
      <image:caption>Dish Bottom Only, Pyrex, Culture, Petri, 150 mm x 15 mm, Corning 3160-150BO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/petri-dish-150x15-mm-100-cs-polystryene-sterile-falcon-351058</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2080-01_f48e8f81-4217-41de-ab61-1c3c8ee0ad36.png?v=1784697448</image:loc>
      <image:title>Falcon Petri Dish, Sterile, Not TC Treated, 150 x 15 mm 100/CS, Corning, 351058</image:title>
      <image:caption>Falcon Petri Dish, Sterile, Not TC Treated, 150 x 15 mm 100/CS, Corning, 351058</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/falcon-microplates-96-well-with-lid-and-flat-bottom-clear-polystyrene-sterile-individually-wrapped-50-cs-corning-351172</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2104-01_b5f6c0f0-f737-429d-832a-02b959f1748c.png?v=1784697449</image:loc>
      <image:title>Falcon Microplates, 96-Well with Lid and Flat Bottom, Clear Polystyrene, STERILE, Individually Wrapped, 50/CS, Corning, 351172</image:title>
      <image:caption>Falcon Microplates, 96-Well with Lid and Flat Bottom, Clear Polystyrene, STERILE, Individually Wrapped, 50/CS, Corning, 351172</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/forceps-dissecting-stainless-steel-fine-point-with-serrated-tips-guide-pin-straight-4-1-2-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2481-01_fefd608c-5ca5-431a-9251-e6a49979d55b.png?v=1784697451</image:loc>
      <image:title>Forceps, Dissecting, Stainless Steel, Fine Point with Serrated Tips &amp; Guide Pin, Straight, 4 1/2 in.</image:title>
      <image:caption>Forceps, Dissecting, Stainless Steel, Fine Point with Serrated Tips &amp; Guide Pin, Straight, 4 1/2 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissecting-forceps-4-1-2-in-stainless-steel-curved-fine-point-serrated-tips-300-131</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2486-01.png?v=1784697452</image:loc>
      <image:title>Dissecting Forceps, 4-1/2 in. Stainless Steel, Curved, Fine Point, Serrated Tips, 300-131</image:title>
      <image:caption>Dissecting Forceps, 4-1/2 in. Stainless Steel, Curved, Fine Point, Serrated Tips, 300-131</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/forceps-serrated-and-curved-tips-coated-with-brown-teflon-fep-pk-2-bel-art-products-h37940-0000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2487-01_40f4c399-b845-44f9-adc6-6c7d1fd0cbbd.png?v=1784697454</image:loc>
      <image:title>Forceps, Serrated and Curved Tips, Coated with Brown Teflon Fluornated Ethylene Propylene (FEP), 2/PK, Bel Art Products, H37940-0000</image:title>
      <image:caption>Forceps, Serrated and Curved Tips, Coated with Brown Teflon Fluornated Ethylene Propylene (FEP), 2/PK, Bel Art Products, H37940-0000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/forceps-specimen-stainless-steel-serrated-tips-straight-4-1-2-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2505-01_defbeba3-4d6a-4387-8fa2-e1c3d6b32182.png?v=1784697455</image:loc>
      <image:title>Forceps, Specimen, Stainless Steel, Serrated Tips, Straight, 4-1/2 in.</image:title>
      <image:caption>Forceps, Specimen, Stainless Steel, Serrated Tips, Straight, 4-1/2 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/curved-forceps-stainless-steel-medium-fine-smooth-tips-300-011</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2510-01_47066d60-58ab-493e-8943-afbb0b91bb7b.png?v=1784697456</image:loc>
      <image:title>Curved Forceps,Stainless Steel, Medium Fine, Smooth Tips, 300-011</image:title>
      <image:caption>Curved Forceps,Stainless Steel, Medium Fine, Smooth Tips, 300-011</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/10-surgical-blades-stainless-steel-sterile-50-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2791-10_384277a6-72d8-4fe2-9cff-2d547de03ee0.png?v=1784697458</image:loc>
      <image:title># 10 Surgical Blades, Stainless Steel, Sterile, 50/PK</image:title>
      <image:caption># 10 Surgical Blades, Stainless Steel, Sterile, 50/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/forceps-dumont-stainless-steel-very-sharp-fine-points-straight-4-3-4-in</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2958-11_5c97112d-6398-4ab5-a91f-b3f6b94ed926.png?v=1784697459</image:loc>
      <image:title>Forceps, Dumont, Stainless Steel, Very Sharp Fine Points, Straight, 4-3/4 in.</image:title>
      <image:caption>Forceps, Dumont, Stainless Steel, Very Sharp Fine Points, Straight, 4-3/4 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reverse-action-forceps-5-in-sharp-smooth-points-stainless-steel-normally-closed-opens-with-finger-pressure</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2964-11_183dc944-2f68-43f2-b6a7-f4f0c63fa0de.png?v=1784697461</image:loc>
      <image:title>Reverse-Action Forceps, 5 in., Sharp, Smooth Points, Stainless Steel, Normally Closed, Opens with Finger Pressure</image:title>
      <image:caption>Reverse-Action Forceps, 5 in., Sharp, Smooth Points, Stainless Steel, Normally Closed, Opens with Finger Pressure</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/midi-vap-distilling-head-3-in-borosilicate-glass-dwk-479156-3001</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3100-02.png?v=1784697462</image:loc>
      <image:title>Midi-Vap Distilling Head, 3 in., Borosilicate Glass, DWK, 479156-3001</image:title>
      <image:caption>Midi-Vap Distilling Head, 3 in., Borosilicate Glass, DWK, 479156-3001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/midi-vap-distilling-head-4-5-in-borosilicate-glass-dwk-479156-4501</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3100-03_323384ba-afa4-4d1f-ba62-f21c71f1d9c7.png?v=1784697464</image:loc>
      <image:title>Midi-Vap Distilling Head, 4.5 in., Borosilicate Glass, DWK, 479156-4501</image:title>
      <image:caption>Midi-Vap Distilling Head, 4.5 in., Borosilicate Glass, DWK, 479156-4501</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/distilling-receiver-with-24-40-joints-on-sidearm-pyrex-brand-10-ml-corning-3602-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3220-01_4f51bc2e-cb9b-4c29-912d-82bb7a97ca0f.png?v=1784697465</image:loc>
      <image:title>Distilling Receiver, with 24/40 Joints on Sidearm, Pyrex Brand, 10 mL, Corning 3602-10.</image:title>
      <image:caption>Distilling Receiver, with 24/40 Joints on Sidearm, Pyrex Brand, 10 mL, Corning 3602-10.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/distilling-column-packing-raschig-rings-7-x-7-mm-sold-by-each-each-1-lb</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3480-02_6c91eaa5-a0c0-4717-b43c-37990e23b58c.png?v=1785286864</image:loc>
      <image:title>Distilling Column Packing, Raschig Rings, 7 x 7 mm (Sold by Each, Each = 1 Lb.)</image:title>
      <image:caption>Distilling Column Packing, Raschig Rings, 7 x 7 mm (Sold by Each, Each = 1 Lb.)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/allihn-condenser-with-standard-taper-45-50-joint-c7780-30</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3705-91_85ae0e99-553a-41f3-9153-b146a634801d.png?v=1784697468</image:loc>
      <image:title>Allihn Condenser with Standard Taper 45/50 Joint, C7780-30</image:title>
      <image:caption>Allihn Condenser with Standard Taper 45/50 Joint, C7780-30</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-apparatus-medium-soxhlet-application-complete-250-ml-capacity-consists-of-an-extractor-an-allihn-bulb-type-condenser-and-a-flask-corning-3840-m</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3705-95_85bfb420-4d97-4872-afcc-c961b2a93e37.png?v=1784697470</image:loc>
      <image:title>Extraction Apparatus Medium  Soxhlet Application Complete, 250 mL Capacity, Consists of an Extractor, an Allihn Bulb Type Condenser and a Flask, Corning 3840-M</image:title>
      <image:caption>Extraction Apparatus Medium  Soxhlet Application Complete, 250 mL Capacity, Consists of an Extractor, an Allihn Bulb Type Condenser and a Flask, Corning 3840-M</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extractor-sohlex-85-ml-body-only-with-standard-taper-joints-corning-3740-m</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Extractor, Sohlex 85 mL, Body Only with Standard Taper Joints, Corning, 3740-M</image:title>
      <image:caption>Extractor, Sohlex 85 mL, Body Only with Standard Taper Joints, Corning, 3740-M</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-tube-soxhlet-with-joints-at-top-and-bottom-pyrex-brand-borosilicate-glass-corning-3740-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Extraction Tube, Soxhlet, with Joints at top and bottom, Pyrex Brand Borosilicate Glass, Corning 3740-L</image:title>
      <image:caption>Extraction Tube, Soxhlet, with Joints at top and bottom, Pyrex Brand Borosilicate Glass, Corning 3740-L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-25-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-07_9a357d4d-6531-429e-9cf5-a099f2c53837.png?v=1784697474</image:loc>
      <image:title>Extraction Thimbles, 25 x 80, for use with Soxhlet and Other Extraction Apparatus</image:title>
      <image:caption>Extraction Thimbles, 25 x 80, for use with Soxhlet and Other Extraction Apparatus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-30-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-12.png?v=1784697476</image:loc>
      <image:title>Extraction Thimbles, 30 x 80, for use with Soxhlet and Other Extraction Apparatus</image:title>
      <image:caption>Extraction Thimbles, 30 x 80, for use with Soxhlet and Other Extraction Apparatus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-33-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-15.png?v=1784777490</image:loc>
      <image:title>Extraction Thimbles, 33 x 80, for use with Soxhlet and Other Extraction Apparatus</image:title>
      <image:caption>Extraction Thimbles, 33 x 80, for use with Soxhlet and Other Extraction Apparatus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-single-thickness-33-x-94-mm-25-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-16.png?v=1784697478</image:loc>
      <image:title>Extraction Thimble, Single Thickness, 33 x 94 mm, 25/PK</image:title>
      <image:caption>Extraction Thimble, Single Thickness, 33 x 94 mm, 25/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-cellulose-single-thickness-43-mm-diameter-x-123-mm-length</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-18.png?v=1784697480</image:loc>
      <image:title>Extraction Thimbles, Cellulose, Single Thickness, 43 mm Diameter x 123 mm Length</image:title>
      <image:caption>Extraction Thimbles, Cellulose, Single Thickness, 43 mm Diameter x 123 mm Length</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-33-x-80-mm-25-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4175-15.png?v=1784697481</image:loc>
      <image:title>Extraction Thimble, 33 x 80 mm,25/PK</image:title>
      <image:caption>Extraction Thimble, 33 x 80 mm,25/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-cellulose-double-thickness-43mm-diameter-x-123-mm-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4175-18_4d3586c8-fb74-4628-8d50-bf1c165f2242.png?v=1784697483</image:loc>
      <image:title>Extraction Thimbles, Cellulose, Double Thickness, 43mm Diameter x 123 mm L</image:title>
      <image:caption>Extraction Thimbles, Cellulose, Double Thickness, 43mm Diameter x 123 mm L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-alundum-an889-20-x-80-mm-flat-bottom</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4195-01_de777d06-5393-4f6e-8013-1a89217d737e.png?v=1784697485</image:loc>
      <image:title>Extraction Thimble Alundum AN889 20 X 80 mm Flat Bottom</image:title>
      <image:caption>Extraction Thimble Alundum AN889 20 X 80 mm Flat Bottom</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-flat-bottom-30-mm-x-80-mm-5811an889-saint-gobain-ceramics-3254420</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4195-03_6e9a96d6-9429-4b6f-8dff-be49d3c4fc82.png?v=1784697486</image:loc>
      <image:title>Extraction Thimble, Flat Bottom, 30 mm x 80 mm, 5811AN889, Saint Gobain Ceramics, 3254420</image:title>
      <image:caption>Extraction Thimble, Flat Bottom, 30 mm x 80 mm, 5811AN889, Saint Gobain Ceramics, 3254420</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-round-bottom-45-mm-x-127-mm-6945an889-saint-gobain-ceramics-3254423</loc>
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      <image:title>Extraction Thimble, Round Bottom, 45 mm x 127 mm, 6945AN889, Saint Gobain Ceramics, 3254423</image:title>
      <image:caption>Extraction Thimble, Round Bottom, 45 mm x 127 mm, 6945AN889, Saint Gobain Ceramics, 3254423</image:caption>
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      <image:title>Pyrex Extraction Thimble, Extra Coarse Fritted, 25 mm Diameter, 85 mm Short, Corning, 33950-SEC</image:title>
      <image:caption>Pyrex Extraction Thimble, Extra Coarse Fritted, 25 mm Diameter, 85 mm Short, Corning, 33950-SEC</image:caption>
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      <image:title>Pyrex Extraction Thimble,Coarse Fritted, 35 mm Diameter, 90 mm Long, Corning, 33950-MC</image:title>
      <image:caption>Pyrex Extraction Thimble,Coarse Fritted, 35 mm Diameter, 90 mm Long, Corning, 33950-MC</image:caption>
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      <image:title>Pyrex Extraction Thimble, Extra Coarse Fritted, 35 mm Diameter, 90 mm Long, Corning, 33950-MEC</image:title>
      <image:caption>Pyrex Extraction Thimble, Extra Coarse Fritted, 35 mm Diameter, 90 mm Long, Corning, 33950-MEC</image:caption>
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      <image:title>Pyrex Extraction Thimble, Extra Coarse Fritted, 45 mm Diameter, 130 mm Long, Corning, 33950-LEC</image:title>
      <image:caption>Pyrex Extraction Thimble, Extra Coarse Fritted, 45 mm Diameter, 130 mm Long, Corning, 33950-LEC</image:caption>
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      <image:title>Whatman Non-Sterile GD/X Syringe Filters, 25 mm, 0.45 um, 150/PK</image:title>
      <image:caption>Whatman Non-Sterile GD/X Syringe Filters, 25 mm, 0.45 um, 150/PK</image:caption>
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      <image:title>Whatman Non-Sterile GD/X Syringe Filters, 25 mm, 0.7 um, 150/PK</image:title>
      <image:caption>Whatman Non-Sterile GD/X Syringe Filters, 25 mm, 0.7 um, 150/PK</image:caption>
    </image:image>
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      <image:title>Sterile Analytical Filter Units, CN Membrane, 0.45 um Pore sizeCompliance: 0.45 um Size Conforms to Specification 909A, B and C of APHA Standard Methods, 16th ed., EPA Certification Sheets Included</image:title>
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      <image:caption>Nalgene Filter Unit, 0.45 um Cellulose Nitrate Membrane, 150 mL, 12/CS 125-0045</image:caption>
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      <image:title>Nalgene Filter Holder 250 mL 1/PK with Receiver, 300-4000</image:title>
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      <image:title>Filter Holder, Reusable, 47 mm Diameter, Autoclavable Polysulfone, 1000 mL, 4/CS</image:title>
      <image:caption>Filter Holder, Reusable, 47 mm Diameter, Autoclavable Polysulfone, 1000 mL, 4/CS</image:caption>
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    <image:image>
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      <image:caption>Rapid-Flow Sterile Single Use Bottle Top Filter, 150 mL, 0.45 Micron, Fits 33 mm Neck, 12/CS, Nalgene, 290-3345</image:caption>
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  </url>
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    <image:image>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.1 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.1 Micron Pore Size</image:caption>
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    <image:image>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 25 mm Diameter, 0.45 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 25 mm Diameter, 0.45 Micron Pore Size</image:caption>
    </image:image>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.45 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.45 Micron Pore Size</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 90 mm Diameter, 0.45 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 90 mm Diameter, 0.45 Micron Pore Size</image:caption>
    </image:image>
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    <image:image>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 142 mm Diameter, 0.45 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 142 mm Diameter, 0.45 Micron Pore Size</image:caption>
    </image:image>
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      <image:title>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.8 Micron Pore Size</image:title>
      <image:caption>Cytiva Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 0.8 Micron Pore Size</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
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      <image:title>Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 5 Micron Pore Size</image:title>
      <image:caption>Whatman Membrane Filter, Plain White Cellulose Nitrate, 47 mm Diameter, 5 Micron Pore Size</image:caption>
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  <url>
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    <image:image>
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      <image:title>Whatman Mixed Cellulose Ester Circle ME Range (ME 25), Plain, Sterile, 0.45 µm Pore Size, 50 mm Diameter, 100/PK, Cytiva 10401672</image:title>
      <image:caption>Whatman Mixed Cellulose Ester Circle ME Range (ME 25), Plain, Sterile, 0.45 µm Pore Size, 50 mm Diameter, 100/PK, Cytiva 10401672</image:caption>
    </image:image>
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  <url>
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      <image:title>Sterile Mixed Cellulose Ester Membranes, 3.1 mm Gridded, 0.45 Microm, 47 mm 100/PK</image:title>
      <image:caption>Sterile Mixed Cellulose Ester Membranes, 3.1 mm Gridded, 0.45 Microm, 47 mm 100/PK</image:caption>
    </image:image>
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      <image:title>Filter Units - 250-ml Capacity, MF75 Series, PES Membrane, Polystyrene Housing, 168-0045</image:title>
      <image:caption>Filter Units - 250-ml Capacity, MF75 Series, PES Membrane, Polystyrene Housing, 168-0045</image:caption>
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    </image:image>
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    </image:image>
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    </image:image>
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      <image:caption>Wheaton 47 mm Stainless Steel Replacement Support Screen for 47 mm Membrane Filter Assembly, 419364 [Representative Image]</image:caption>
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      <image:caption>Qualitative Filter Paper, Grade 610, 4.25 cm, 100/PK, Ahlstrom, 6100-0425</image:caption>
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      <image:title>Filter Paper, 10 cm Diameter [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Filter Paper, 10 cm Diameter [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
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    <loc>https://preiser.com/products/filter-paper-qualitative-grade-617-fast-9-cm-diameter-50-pk-ahlstrom-6170-0900</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-03.png?v=1784777491</image:loc>
      <image:title>Filter Paper, Qualitative, Grade 617, Fast, 9 cm Diameter, 50/PK, Ahlstrom, 6170-0900</image:title>
      <image:caption>Filter Paper, Qualitative, Grade 617, Fast, 9 cm Diameter, 50/PK, Ahlstrom, 6170-0900</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/grade-617-qualitative-filter-paper-fast-25-cm-50-pk-ahlstrom-6170-2500-833594</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-09_108abe1f-27c7-45d3-a51c-e31c7622fb1e.png?v=1784777493</image:loc>
      <image:title>Grade 617 Qualitative Filter Paper, Fast, 25 cm, 50/PK, Ahlstrom, 6170-2500, 833594</image:title>
      <image:caption>Grade 617 Qualitative Filter Paper, Fast, 25 cm, 50/PK, Ahlstrom, 6170-2500, 833594</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/qualitative-filter-paper-grade-617-4-25-cm-35-micron-50-pk-ahlstrom-6170-0425</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-15_c238f41b-5ee7-4b08-af06-7a5f97fbac1a.png?v=1784777496</image:loc>
      <image:title>Qualitative Filter Paper, Grade 617, 4.25 cm, 35 micron, 50/PK, Ahlstrom, 6170-0425</image:title>
      <image:caption>Qualitative Filter Paper, Grade 617, 4.25 cm, 35 micron, 50/PK, Ahlstrom, 6170-0425</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-54-quantitative-ashless-filter-paper-10-micron-retention-9-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-03_6278d481-18ae-4792-8986-7d5bdf33c67a.png?v=1784777497</image:loc>
      <image:title>Quantitative Filter Paper, Grade 54, Ashless, 9.0 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-0900</image:title>
      <image:caption>Quantitative Filter Paper, Grade 54, Ashless, 9.0 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-0900</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-54-quantitative-ashless-filter-paper-10-micron-retention-11-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-04_f11ba5cc-d057-4371-b79d-09467fd98725.png?v=1784697544</image:loc>
      <image:title>Quantitative Filter Paper, Grade 54, Ashless, 11.0 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-1100</image:title>
      <image:caption>Quantitative Filter Paper, Grade 54, Ashless, 11.0 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-1100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-54-quantitative-ashless-filter-paper-10-micron-retention-12-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-05_1f138726-fa12-4264-a3dd-757c19b1be32.png?v=1784777498</image:loc>
      <image:title>Quantitative Filter Paper, Grade 54, Ashless, 12.5 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-1250</image:title>
      <image:caption>Quantitative Filter Paper, Grade 54, Ashless, 12.5 cm Diameter, 10 microns Pore, 100/PK, Ahlstrom, 0540-1250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-74-quantitative-ashless-filter-paper-2-micron-retention-5-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-01.png?v=1784777500</image:loc>
      <image:title>Quantitative Filter Paper, Grade 74, Ashless, 5.5 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-0550</image:title>
      <image:caption>Quantitative Filter Paper, Grade 74, Ashless, 5.5 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-0550</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-74-quantitative-ashless-filter-paper-2-micron-retention-9-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-03_4c760b6f-dbbe-4a20-b2d4-72740f7ba741.png?v=1784697550</image:loc>
      <image:title>Quantitative Filter Paper, Grade 74, Ashless, 9.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-0900</image:title>
      <image:caption>Quantitative Filter Paper, Grade 74, Ashless, 9.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-0900</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-74-quantitative-ashless-filter-paper-2-micron-retention-11-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-04_05769442-7cfe-48ea-86fd-6b1a3ec72555.png?v=1784697552</image:loc>
      <image:title>Quantitative Filter Paper, Grade 74, Ashless, 11.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1100</image:title>
      <image:caption>Quantitative Filter Paper, Grade 74, Ashless, 11.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-74-quantitative-ashless-filter-paper-2-micron-retention-12-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-05.png?v=1784777501</image:loc>
      <image:title>Quantitative Filter Paper, Grade 74, Ashless, 12.5 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1250</image:title>
      <image:caption>Quantitative Filter Paper, Grade 74, Ashless, 12.5 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-74-quantitative-ashless-filter-paper-2-micron-retention-15-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-06.png?v=1785286865</image:loc>
      <image:title>Quantitative Filter Paper, Grade 74, Ashless, 15.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1500</image:title>
      <image:caption>Quantitative Filter Paper, Grade 74, Ashless, 15.0 cm, 2.0 microns, 100/PK, Ahlstrom, 0740-1500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-94-quantitative-ashless-filter-paper-1-5-micron-retention-5-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-01.png?v=1784697556</image:loc>
      <image:title>Quantitative Filter Paper, Grade 94, 5.5 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ahlstrom, 0940-0550</image:title>
      <image:caption>Quantitative Filter Paper, Grade 94, 5.5 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ahlstrom, 0940-0550</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-94-quantitative-ashless-filter-paper-1-5-micron-retention-9-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-03.png?v=1784777504</image:loc>
      <image:title>Quantitative Filter Paper, Grade 94. 9.0 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ahlstrom, 0940-0900</image:title>
      <image:caption>Quantitative Filter Paper, Grade 94. 9.0 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ahlstrom, 0940-0900</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-94-quantitative-ashless-filter-paper-1-5-micron-retention-12-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-05_1eaa5235-f7cf-4dd2-b1d6-1bc3bacc4d76.png?v=1784777507</image:loc>
      <image:title>Quantitative Filter Paper, Grade 94, 12.5 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ashless, Ahlstrom, 0940-1250</image:title>
      <image:caption>Quantitative Filter Paper, Grade 94, 12.5 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ashless, Ahlstrom, 0940-1250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ahlstrom-grade-94-quantitative-ashless-filter-paper-1-5-micron-retention-15-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-06_6569c3ba-b26b-414d-812c-489b7c6ebd3f.png?v=1785286867</image:loc>
      <image:title>Quantitative Filter Paper, Grade 94, 15.0 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ashless, Ahlstrom, 0940-1500</image:title>
      <image:caption>Quantitative Filter Paper, Grade 94, 15.0 cm Diameter, 1.5 micron Pore, Ashless, 100/PK, Ashless, Ahlstrom, 0940-1500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/envirochek-filter-capsule-glm-12110</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4621-01.png?v=1784697565</image:loc>
      <image:title>ENVIROCHEK Filter Capsule GLM#12110</image:title>
      <image:caption>ENVIROCHEK Filter Capsule GLM#12110</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/microfunnel-disposable-sterile-0-45-um-50-pk-glm4800</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4622-01_df9a2b14-35d0-465e-bfff-a8d04295d19c.png?v=1784697567</image:loc>
      <image:title>Microfunnel, Disposable, Sterile, 0.45 um, 50/PK, GLM4800</image:title>
      <image:caption>Microfunnel, Disposable, Sterile, 0.45 um, 50/PK, GLM4800</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-paper-reeve-angel-very-fast-crepe-surface-grade-230-50-cm-diameter</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5289-83_f1a0aa9c-81b5-4f1a-8c50-440730c756bc.png?v=1784697569</image:loc>
      <image:title>Filter Paper, Reeve Angel, Very Fast, Crepe Surface, Grade 230, 50 cm Diameter</image:title>
      <image:caption>Filter Paper, Reeve Angel, Very Fast, Crepe Surface, Grade 230, 50 cm Diameter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-tclp-testing-filter-quantitative-142-mm-50-pk-cytiva-1810-142</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5429-05.png?v=1784697570</image:loc>
      <image:title>Whatman TCLP Testing Filter, Quantitative, 142 mm, 50/PK, Cytiva, 1810-142</image:title>
      <image:caption>Whatman TCLP Testing Filter, Quantitative, 142 mm, 50/PK, Cytiva, 1810-142</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-1ps-disposable-phase-separator-filter-paper-9-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-04.png?v=1784697571</image:loc>
      <image:title>Whatman 1PS, Disposable Phase Separator Filter Paper, 9 cm</image:title>
      <image:caption>Whatman 1PS, Disposable Phase Separator Filter Paper, 9 cm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-1ps-disposable-phase-separator-filter-paper-11-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-05.png?v=1784697573</image:loc>
      <image:title>Whatman 1PS, Disposable Phase Separator Filter Paper, 11 cm</image:title>
      <image:caption>Whatman 1PS, Disposable Phase Separator Filter Paper, 11 cm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-paper-whatman-1ps-disposable-phase-separator-12-5-cm-sold-by-each-each-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-06.png?v=1785286869</image:loc>
      <image:title>Filter Paper, Whatman 1PS, Disposable Phase Separator, 12.5 cm (Sold by Each / Each = 100)</image:title>
      <image:caption>Filter Paper, Whatman 1PS, Disposable Phase Separator, 12.5 cm (Sold by Each / Each = 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-1ps-disposable-phase-separator-filter-paper-15-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-07.png?v=1784777510</image:loc>
      <image:title>Whatman 1PS, Disposable Phase Separator Filter Paper, 15 cm</image:title>
      <image:caption>Whatman 1PS, Disposable Phase Separator Filter Paper, 15 cm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-1ps-disposable-phase-separator-filter-paper-18-5-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-08.png?v=1784697577</image:loc>
      <image:title>Whatman 1PS, Disposable Phase Separator Filter Paper, 18.5 cm</image:title>
      <image:caption>Whatman 1PS, Disposable Phase Separator Filter Paper, 18.5 cm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-1ps-disposable-phase-separator-filter-paper-24-cm</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-09_c19beb82-0868-4080-9e54-2cdf944c1a55.png?v=1784697578</image:loc>
      <image:title>Whatman 1PS, Disposable Phase Separator Filter Paper, 24 cm</image:title>
      <image:caption>Whatman 1PS, Disposable Phase Separator Filter Paper, 24 cm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boiling-granules-plain-hengar-granule-size-is-4-mesh-bottle-of-500-grams-troemner-901800</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5450-81_aa8ec646-12fd-4fbe-94b3-b9fdd4b84e46.png?v=1784697584</image:loc>
      <image:title>Boiling Granules, Plain, Hengar. Granule size is 4 mesh, Bottle of 500 grams, Troemner, 901800</image:title>
      <image:caption>Boiling Granules, Plain, Hengar. Granule size is 4 mesh, Bottle of 500 grams, Troemner, 901800</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/microporous-carbon-boiling-chips-8-oz-walter-stern-501a</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5455-01_68c16f5a-770c-4740-bf94-a7d4ea3bb7d5.png?v=1784697585</image:loc>
      <image:title>Microporous Carbon Boiling Chips, 8 oz., Walter Stern, 501A</image:title>
      <image:caption>Microporous Carbon Boiling Chips, 8 oz., Walter Stern, 501A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boiling-granules-teflon-tfe-chemically-inert-non-contaminating-450-g-bottle</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5460-01_2b60f44f-7561-4c12-a0b7-5f1564de3d63.png?v=1784697587</image:loc>
      <image:title>Boiling Granules, Teflon TFE, Chemically Inert, Non-Contaminating, 450 g Bottle</image:title>
      <image:caption>Boiling Granules, Teflon TFE, Chemically Inert, Non-Contaminating, 450 g Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/walter-stern-porcelain-6-mm-berl-saddles-for-distillation-columns-250-pk</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5466-01.png?v=1784697588</image:loc>
      <image:title>Walter Stern Porcelain 6 mm Berl Saddles for Distillation Columns, 250/Pk</image:title>
      <image:caption>Walter Stern Porcelain 6 mm Berl Saddles for Distillation Columns, 250/Pk</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-boiling-flat-bottom-short-neck-24-40-standard-taper-joint-125-ml-corning-4100-125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-71_53683c6d-9d88-4773-affe-6e4a611718ac.png?v=1784697589</image:loc>
      <image:title>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 125 mL, Corning 4100-125</image:title>
      <image:caption>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 125 mL, Corning 4100-125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-boiling-flat-bottom-short-neck-24-40-standard-taper-joint-250-ml-corning-4100-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-78_c57265d3-a9e5-4ac5-af5a-7f639b6fc21f.png?v=1784697591</image:loc>
      <image:title>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 250 mL, Corning 4100-250</image:title>
      <image:caption>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 250 mL, Corning 4100-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-boiling-flat-bottom-short-neck-24-40-standard-taper-joint-500-ml-corning-4100-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-81_3006847c-7117-4435-8e80-d3502fdebbc5.png?v=1784697592</image:loc>
      <image:title>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 500 mL, Corning 4100-500</image:title>
      <image:caption>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 500 mL, Corning 4100-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-boiling-flat-bottom-short-neck-24-40-standard-taper-joint-1000-ml-corning-4100-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-86_6bf2d759-61fc-4da4-9fa4-da832ff805f3.png?v=1785286870</image:loc>
      <image:title>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 1000 mL, Corning 4100-1 L</image:title>
      <image:caption>Flask, Pyrex, Boiling, Flat Bottom, Short Neck, 24/40 Standard Taper Joint, 1000 mL, Corning 4100-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-boiling-250-ml-long-neck-florence-boiling-flask-flat-bottom-standard-taper-joint-corning-4080-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5515-78_e36aae56-5829-46ac-9426-7ef8a585326c.png?v=1784697595</image:loc>
      <image:title>Flask, Boiling  250 mL, Long Neck Florence Boiling Flask, Flat Bottom &amp; Standard Taper Joint, Corning, 4080-250</image:title>
      <image:caption>Flask, Boiling  250 mL, Long Neck Florence Boiling Flask, Flat Bottom &amp; Standard Taper Joint, Corning, 4080-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-florence-boiling-500-ml-vycor-long-neck-with-24-40-standard-taper-joint-and-flat-bottom-corning-4080-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5515-81_33aa7b7d-372e-4ad7-8ed6-073e61481e8a.png?v=1784697597</image:loc>
      <image:title>Flask, Florence Boiling, 500 mL, VYCOR Long Neck with 24/40 Standard Taper Joint and Flat Bottom, Corning, 4080-500</image:title>
      <image:caption>Flask, Florence Boiling, 500 mL, VYCOR Long Neck with 24/40 Standard Taper Joint and Flat Bottom, Corning, 4080-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-boiling-long-ring-neck-flat-bottom-1000-ml-legacy-1-cs-8-stopper-132-mm-o-d-x-217-mm-height-corning-4180-1l-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5560-86_555cdfb9-c04e-4d02-a9f3-d72f502e9612.png?v=1784697598</image:loc>
      <image:title>Flask, Pyrex, Boiling, Long Ring Neck, Flat Bottom, 1000 mL, Legacy, 1/CS, # 8 Stopper, 132 mm O.D. x 217 mm Height, Corning, 4180-1L [Representative Image]</image:title>
      <image:caption>Flask, Pyrex, Boiling, Long Ring Neck, Flat Bottom, 1000 mL, Legacy, 1/CS, # 8 Stopper, 132 mm O.D. x 217 mm Height, Corning, 4180-1L [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-round-bottom-50-ml-19-38-standard-taper-corning-4320-50-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5663-53_81ab9059-6813-4629-990e-192e2ca23190.png?v=1784697600</image:loc>
      <image:title>Flask, Pyrex, Round Bottom, 50 mL, 19/38 Standard Taper, Corning, 4320-50 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Flask, Pyrex, Round Bottom, 50 mL, 19/38 Standard Taper, Corning, 4320-50 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-round-bottom-50-ml-24-40-standard-taper-corning-4320a-50-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-02_44e027da-108b-47d7-8474-2b52015e63ff.png?v=1784697601</image:loc>
      <image:title>Flask, Pyrex, Round Bottom, 50 mL, 24/40 Standard Taper, Corning, 4320A-50 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Flask, Pyrex, Round Bottom, 50 mL, 24/40 Standard Taper, Corning, 4320A-50 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-round-bottom-100-ml-24-40-standard-taper-corning-4320-100-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-04_75c605fc-ac4d-4104-a5c1-2e14bbae2e49.png?v=1784697603</image:loc>
      <image:title>Flask, Pyrex, Round Bottom, 100 mL, 24/40 Standard Taper, Corning, 4320-100 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Flask, Pyrex, Round Bottom, 100 mL, 24/40 Standard Taper, Corning, 4320-100 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-round-bottom-250-ml-24-40-standard-taper-corning-4320-250-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-06_d7b55449-98c0-49f9-ae66-8160b72019b8.png?v=1784697605</image:loc>
      <image:title>Flask, Pyrex, Round Bottom, 250 mL, 24/40 Standard Taper, Corning, 4320-250 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Flask, Pyrex, Round Bottom, 250 mL, 24/40 Standard Taper, Corning, 4320-250 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boiling-flask-borosilicate-glass-round-bottom-short-neck-24-40-standard-taper-joints-500-ml-corning-4320-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-08_d68fdb35-b439-44e1-a9b6-a15611d61b14.png?v=1784697606</image:loc>
      <image:title>Boiling Flask, Borosilicate Glass, Round Bottom, Short Neck, 24/40 Standard Taper Joints, 500 mL, Corning 4320-500</image:title>
      <image:caption>Boiling Flask, Borosilicate Glass, Round Bottom, Short Neck, 24/40 Standard Taper Joints, 500 mL, Corning 4320-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-1-l-round-bottom-boiling-flask-w-short-neck-24-40-standard-taper-joint-corning-4320-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-09.png?v=1784697608</image:loc>
      <image:title>Pyrex 1 L Round-bottom Boiling Flask w / Short Neck &amp; 24/40 Standard Taper Joint, Corning, 4320-1 L</image:title>
      <image:caption>Pyrex 1 L Round-bottom Boiling Flask w / Short Neck &amp; 24/40 Standard Taper Joint, Corning, 4320-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boiling-flask-borosilicate-glass-round-bottom-short-neck-29-42-standard-taper-joints-1-l-corning-4321-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5670-86_eb671bc7-bf54-400c-88d2-c6d784091024.png?v=1784697609</image:loc>
      <image:title>Boiling Flask, Borosilicate Glass, Round Bottom, Short Neck, 29/42 Standard Taper Joints, 1 L, Corning 4321-1 L</image:title>
      <image:caption>Boiling Flask, Borosilicate Glass, Round Bottom, Short Neck, 29/42 Standard Taper Joints, 1 L, Corning 4321-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-culture-graduated-long-neck-astm-e1404-type-iv-class-i-125-ml-25615-125</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5730-71_492dd1bd-e98d-443c-92cc-10c61b48d6ba.png?v=1784697611</image:loc>
      <image:title>Flask, Culture, Graduated, Long Neck, ASTM E1404, Type IV, Class I, 125 mL, 25615-125</image:title>
      <image:caption>Flask, Culture, Graduated, Long Neck, ASTM E1404, Type IV, Class I, 125 mL, 25615-125</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reagent-reservoir-100-ml-polystrene-sterile-individually-wrapped-100-pk-heathrow-scientific-120648</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-01_6e7b5835-bffc-425d-8d1c-6d542d84f6fd.png?v=1784697612</image:loc>
      <image:title>Reagent Reservoir, 100 mL, Polystrene, Sterile, Individually Wrapped, 100/PK, Heathrow Scientific, 120648</image:title>
      <image:caption>Reagent Reservoir, 100 mL, Polystrene, Sterile, Individually Wrapped, 100/PK, Heathrow Scientific, 120648</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/biocoat-cell-culture-flask-collagen-i-coated-rectangular-canted-neck-with-vented-cap-600-ml-t150-5-cs-corning-354486</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-02.png?v=1784697614</image:loc>
      <image:title>BioCoat Cell Culture Flask, Collagen I Coated Rectangular Canted Neck with Vented Cap, 600 mL, T150, 5/CS, Corning, 354486</image:title>
      <image:caption>BioCoat Cell Culture Flask, Collagen I Coated Rectangular Canted Neck with Vented Cap, 600 mL, T150, 5/CS, Corning, 354486</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tissue-culture-flask-surface-treated-sterile-plug-seal-cap-600-ml-t225-40-cs-fb012940</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-03_b503a8ee-4107-4ed1-8c2e-e9a76c3b539b.png?v=1784697615</image:loc>
      <image:title>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 600 mL, T225, 40/CS, FB012940</image:title>
      <image:caption>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 600 mL, T225, 40/CS, FB012940</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tissue-culture-flask-surface-treated-sterile-plug-seal-cap-50-ml-t25-200-cs-fb012936</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-04_af196dc1-678b-467d-8cfa-590bbe40c8d6.png?v=1784697617</image:loc>
      <image:title>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 50 mL, T25, 200/CS, FB012936</image:title>
      <image:caption>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 50 mL, T25, 200/CS, FB012936</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tissue-culture-flask-surface-treated-sterile-plug-seal-cap-850-ml-t300-18-cs-fb012942</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-05_67dcc684-29b5-46ad-adb6-14a20d88b873.png?v=1784697618</image:loc>
      <image:title>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 850 mL, T300, 18/CS, FB012942</image:title>
      <image:caption>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 850 mL, T300, 18/CS, FB012942</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tissue-culture-flask-surface-treated-sterile-plug-seal-cap-350-ml-t75-10-cs-fb012938</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-06_8c29318e-540b-45c9-b1f9-c025f0b55c39.png?v=1784697620</image:loc>
      <image:title>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 350 mL, T75, 10/CS, FB012938</image:title>
      <image:caption>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 350 mL, T75, 10/CS, FB012938</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reagent-reservoir-with-divider-25-ml-non-sterile-single-use-polystyrene-white-100-cs-thermo-scientific-9512-8095</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-10.png?v=1784697622</image:loc>
      <image:title>Reagent Reservoir with Divider, 25 mL, Non-Sterile, Single Use, Polystyrene, White, 100/CS, Thermo Scientific, 9512-8095</image:title>
      <image:caption>Reagent Reservoir with Divider, 25 mL, Non-Sterile, Single Use, Polystyrene, White, 100/CS, Thermo Scientific, 9512-8095</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tissue-culture-flask-with-vented-cap-12-5-sq-cm-growth-area-sterile-200-cs-celltreat-229321</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5740-40_6f8568e4-6660-4a7f-a684-5607a6be157b.png?v=1784697623</image:loc>
      <image:title>Tissue Culture Flask with Vented Cap, 12.5 sq cm Growth Area, STERILE, 200/CS, Celltreat, 229321</image:title>
      <image:caption>Tissue Culture Flask with Vented Cap, 12.5 sq cm Growth Area, STERILE, 200/CS, Celltreat, 229321</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-distilling-with-side-arm-50-ml-corning-4620-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5835-53_5a2d6ec8-463e-43f9-8135-a8df222713df.png?v=1784697625</image:loc>
      <image:title>Flask, Pyrex Distilling, with Side Arm, 50 mL, Corning, 4620-50</image:title>
      <image:caption>Flask, Pyrex Distilling, with Side Arm, 50 mL, Corning, 4620-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-heavy-duty-distilling-with-side-arm-125-ml-corning-4620-125-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5835-71.png?v=1784697626</image:loc>
      <image:title>Flask, Pyrex Heavy-Duty Distilling, with Side Arm, 125 mL, Corning, 4620-125 [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Flask, Pyrex Heavy-Duty Distilling, with Side Arm, 125 mL, Corning, 4620-125 [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-distilling-with-side-arm-250-ml-corning-4620-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5835-78.png?v=1784697628</image:loc>
      <image:title>Flask, Pyrex Distilling, with Side Arm, 250 mL, Corning, 4620-250</image:title>
      <image:caption>Flask, Pyrex Distilling, with Side Arm, 250 mL, Corning, 4620-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-distilling-with-side-arm-500-ml-corning-4620-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5835-81_479f12f0-3833-4733-b0b3-5d767aa992ed.png?v=1784697629</image:loc>
      <image:title>Flask, Pyrex Distilling, with Side Arm, 500 mL, Corning, 4620-500</image:title>
      <image:caption>Flask, Pyrex Distilling, with Side Arm, 500 mL, Corning, 4620-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-distilling-with-side-arm-1000-ml-corning-4620-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5835-86.png?v=1784697631</image:loc>
      <image:title>Flask, Pyrex Distilling, with Side Arm, 1000 mL, Corning, 4620-1 L</image:title>
      <image:caption>Flask, Pyrex Distilling, with Side Arm, 1000 mL, Corning, 4620-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/distilling-flask-3-neck-with-24-40-standard-taper-joints-500-ml-1-cs-corning-4965a-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6112-81.png?v=1784697632</image:loc>
      <image:title>Distilling Flask, 3 Neck with 24/40 Standard Taper Joints, 500 mL, 1/CS, Corning, 4965A-500</image:title>
      <image:caption>Distilling Flask, 3 Neck with 24/40 Standard Taper Joints, 500 mL, 1/CS, Corning, 4965A-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-distilling-two-neck-19-22-side-neck-angle-type-borosilicate-glass-100-ml</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6187-19_4f312708-ee8a-43a4-a10c-77328175f071.png?v=1784697634</image:loc>
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  <url>
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      <image:caption>Pyrex (Registered) Erlenmeyer Flask, Wide Mouth Borosilicate Glass, with GL45 Screw Cap, 500 mL, 6/CS, Corning, 4995-500</image:caption>
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      <image:caption>Pyrex (Registered) Erlenmeyer Flask, Wide Mouth Borosilicate Glass, with GL45 Screw Cap, 4000 mL, 1/CS, Corning, 4995-4L</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6391-79.png?v=1784697675</image:loc>
      <image:title>Flask, Pyrex, Erlenmeyer, 500 mL, with Standard Taper Stopper, Corning, 5020-500</image:title>
      <image:caption>Flask, Pyrex, Erlenmeyer, 500 mL, with Standard Taper Stopper, Corning, 5020-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-erlenmeyer-low-actinic-narrow-mouth-with-standard-taper-stopper-250-ml-corning-55020-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6395-78_6e03a590-6cec-4c51-aa29-0a2aa56db8e5.png?v=1784697677</image:loc>
      <image:title>Flask, Pyrex, Erlenmeyer, Low Actinic Narrow-Mouth with Standard Taper Stopper, 250 mL, Corning, 55020-250</image:title>
      <image:caption>Flask, Pyrex, Erlenmeyer, Low Actinic Narrow-Mouth with Standard Taper Stopper, 250 mL, Corning, 55020-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-filtering-heavy-wall-graduated-250-ml-corning-5320-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6575-78_bf864806-7beb-47fa-9a80-1af722cbc43e.png?v=1784697678</image:loc>
      <image:title>Flask, Pyrex, Filtering, Heavy Wall, Graduated, 250 mL, Corning 5320-250</image:title>
      <image:caption>Flask, Pyrex, Filtering, Heavy Wall, Graduated, 250 mL, Corning 5320-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-flask-2000-ml-1-cs-without-tubulation-heavy-wall-k27050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6595-88.png?v=1784697679</image:loc>
      <image:title>Filter Flask 2000 mL 1/CS without Tubulation, Heavy Wall K27050</image:title>
      <image:caption>Filter Flask 2000 mL 1/CS without Tubulation, Heavy Wall K27050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-filtering-heavy-wall-side-tubulation-capacity-scale-1000-ml-50-ml-graduation-intervals-27060-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6616-86_84a0cec0-2233-42b2-bcfe-8f0358b77874.png?v=1784697681</image:loc>
      <image:title>Flask, Filtering, Heavy Wall, Side Tubulation, Capacity Scale, 1000 mL, 50 mL Graduation Intervals, 27060-1000</image:title>
      <image:caption>Flask, Filtering, Heavy Wall, Side Tubulation, Capacity Scale, 1000 mL, 50 mL Graduation Intervals, 27060-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-filtering-heavy-wall-side-tubulation-capacity-scale-2000-ml-100-ml-graduation-intervals-27060-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6616-88_3c8c85d5-1568-48bd-97de-a05ad90f8519.png?v=1784697682</image:loc>
      <image:title>Flask, Filtering, Heavy Wall, Side Tubulation, Capacity Scale, 2000 mL, 100 mL Graduation Intervals, 27060-2000</image:title>
      <image:caption>Flask, Filtering, Heavy Wall, Side Tubulation, Capacity Scale, 2000 mL, 100 mL Graduation Intervals, 27060-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrexplus-filtering-heavy-wall-protective-coating-tubulation-graduated-500-ml-corning-65340-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6625-81_e82a768e-0bc5-4279-a7e6-4ade4e3d1bd3.png?v=1784697686</image:loc>
      <image:title>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 500 mL, Corning 65340-500</image:title>
      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 500 mL, Corning 65340-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrexplus-filtering-heavy-wall-protective-coating-tubulation-graduated-1000-ml-corning-65340-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6625-86_ecee7aae-5a42-4c8f-bca6-2195bd349bd1.png?v=1784697687</image:loc>
      <image:title>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 1000 mL, Corning 65340-1 L</image:title>
      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 1000 mL, Corning 65340-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrexplus-filtering-heavy-wall-protective-coating-tubulation-graduated-2000-ml-corning-65340-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6625-88_927e9b34-ed23-4f58-9123-706edbbf54e5.png?v=1784697689</image:loc>
      <image:title>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 2000 mL, Corning 65340-2 L</image:title>
      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 2000 mL, Corning 65340-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrexplus-filtering-heavy-wall-protective-coating-tubulation-graduated-4000-ml-corning-65340-4l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6625-91_c9e231f3-b056-4714-9c72-782197375c09.png?v=1784697690</image:loc>
      <image:title>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 4000 mL, Corning 65340-4L</image:title>
      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 4000 mL, Corning 65340-4L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-filtering-heavy-wall-detachable-plastic-sidearm-2000-ml-200-ml-graduation-intervals-27065-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6627-88.png?v=1784697691</image:loc>
      <image:title>Flask, Filtering, Heavy Wall, Detachable Plastic Sidearm, 2000 mL, 200 mL Graduation Intervals, 27065-2000</image:title>
      <image:caption>Flask, Filtering, Heavy Wall, Detachable Plastic Sidearm, 2000 mL, 200 mL Graduation Intervals, 27065-2000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-iodine-determination-with-pyrex-22-standard-taper-stopper-250-ml-corning-5400-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6666-78.png?v=1784697693</image:loc>
      <image:title>Flask, Pyrex, Iodine Determination, with Pyrex #22 Standard Taper Stopper, 250 mL, Corning 5400-250</image:title>
      <image:caption>Flask, Pyrex, Iodine Determination, with Pyrex #22 Standard Taper Stopper, 250 mL, Corning 5400-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-500-ml-iodine-determination-flasks-with-glass-no-22-standard-taper-stopper-corning-5400-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6666-81.png?v=1784697695</image:loc>
      <image:title>PYREX 500 mL Iodine Determination Flasks with Glass No. 22 Standard Taper Stopper, Corning, 5400-500</image:title>
      <image:caption>PYREX 500 mL Iodine Determination Flasks with Glass No. 22 Standard Taper Stopper, Corning, 5400-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/kimax-kjeldahl-flask-round-bottom-800-ml-27400-800</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6689-07_476562f5-aa87-49b4-b4d3-7006dc89aef8.png?v=1784697696</image:loc>
      <image:title>Kimax Kjeldahl Flask, Round Bottom, 800 mL, 27400-800</image:title>
      <image:caption>Kimax Kjeldahl Flask, Round Bottom, 800 mL, 27400-800</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/volumetric-flask-10-ml-class-b-with-yellow-snap-cap-28010-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6909-28_4594b5c9-ea7d-4b6e-b027-8a3ae736652e.png?v=1784697697</image:loc>
      <image:title>Volumetric Flask, 10 mL, Class B with Yellow Snap Cap, 28010-10</image:title>
      <image:caption>Volumetric Flask, 10 mL, Class B with Yellow Snap Cap, 28010-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-student-grade-snap-cap-100-ml-corning-5581-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6910-67_e76ccf4d-a0aa-4684-bdb0-e03c93971c1f.png?v=1784697699</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Student Grade, Snap Cap, 100 mL, Corning 5581-100</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Student Grade, Snap Cap, 100 mL, Corning 5581-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-student-grade-snap-cap-500-ml-corning-5581-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6910-81_19acf75a-53f5-4f7f-bd0d-b4d85194cfdc.png?v=1784697701</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Student Grade, Snap Cap, 500 mL, Corning 5581-500</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Student Grade, Snap Cap, 500 mL, Corning 5581-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-snap-cap-100-ml-dwk-28008-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-67_9b6d94fa-c5af-4882-9bda-4832d7b9db6f.png?v=1784697702</image:loc>
      <image:title>Flask, Volumetric, Class A, Snap Cap, 100 mL, DWK, 28008-100</image:title>
      <image:caption>Flask, Volumetric, Class A, Snap Cap, 100 mL, DWK, 28008-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-snap-cap-250-ml-28008-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-78.png?v=1784697704</image:loc>
      <image:title>Flask, Volumetric, Class A, Snap Cap, 250 mL, 28008-250</image:title>
      <image:caption>Flask, Volumetric, Class A, Snap Cap, 250 mL, 28008-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-snap-cap-500-ml-28008-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-81_602507b7-393f-4164-92c6-0d2ea23fa0bf.png?v=1784697706</image:loc>
      <image:title>Flask, Volumetric, Class A, Snap Cap, 500 mL, 28008-500</image:title>
      <image:caption>Flask, Volumetric, Class A, Snap Cap, 500 mL, 28008-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-snap-cap-1000-ml-28008-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-86_7783a90f-2199-4872-affc-e9296f8882bd.png?v=1784697707</image:loc>
      <image:title>Flask, Volumetric, Class A, Snap Cap, 1000 mL, 28008-1000</image:title>
      <image:caption>Flask, Volumetric, Class A, Snap Cap, 1000 mL, 28008-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-class-b-polypropylene-copolymer-with-polypropylene-screw-closure-50-ml-1-pk-or-12-cs-thermo-scientific-4000-0050</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-53_4c473932-0753-486c-86be-f98e3212926f.png?v=1784697709</image:loc>
      <image:title>Nalgene Flask, Volumetric Class B, Polypropylene Copolymer, with Polypropylene Screw Closure, 50 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0050</image:title>
      <image:caption>Nalgene Flask, Volumetric Class B, Polypropylene Copolymer, with Polypropylene Screw Closure, 50 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-class-b-polypropylene-copolymer-with-polypropylene-screw-closure-100-ml-ea-or-12-cs-thermo-scientific-4000-0100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-67.png?v=1784697710</image:loc>
      <image:title>Nalgene Flask, Volumetric Class B, Polypropylene Copolymer, with Polypropylene Screw Closure, 100 mL, EA or 12/CS, Thermo Scientific, 4000-0100</image:title>
      <image:caption>Nalgene Flask, Volumetric Class B, Polypropylene Copolymer, with Polypropylene Screw Closure, 100 mL, EA or 12/CS, Thermo Scientific, 4000-0100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-polypropylene-copolymer-with-polypropylene-screw-closure-200-ml-1-pk-or-12-cs-thermo-scientific-4000-0200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-77_5f81565b-edee-44e2-82d5-208b1a6453f2.png?v=1784697712</image:loc>
      <image:title>Nalgene Flask, Volumetric, Polypropylene Copolymer with Polypropylene Screw Closure, 200 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0200</image:title>
      <image:caption>Nalgene Flask, Volumetric, Polypropylene Copolymer with Polypropylene Screw Closure, 200 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-polypropylene-copolymer-with-polypropylene-screw-closure-250-ml-1-pk-or-12-cs-thermo-scientific-4000-0250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-78_b8ec4dae-2299-440d-b5c9-828ba01af74f.png?v=1784697713</image:loc>
      <image:title>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 250 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0250</image:title>
      <image:caption>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 250 mL, 1/PK or 12/CS, Thermo Scientific, 4000-0250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-polypropylene-copolymer-with-polypropylene-screw-closure-500-ml-1-pk-or-8-cs-4000-0500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-81.png?v=1784697715</image:loc>
      <image:title>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 500 mL, 1/PK or 8/CS, 4000-0500</image:title>
      <image:caption>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 500 mL, 1/PK or 8/CS, 4000-0500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-flask-volumetric-polypropylene-copolymer-with-polypropylene-screw-closure-1000-ml-1-pk-or-6-cs-thermo-scientific-4000-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-86_2916d9d3-18e3-4a61-b082-85126fe32be8.png?v=1784697716</image:loc>
      <image:title>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 1000 mL, 1/PK or 6/CS, Thermo Scientific, 4000-1000</image:title>
      <image:caption>Nalgene Flask, Volumetric, Polypropylene Copolymer, with Polypropylene Screw Closure, 1000 mL, 1/PK or 6/CS, Thermo Scientific, 4000-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-25-ml-corning-5600-25</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-42_62d1bf7a-b373-44e2-86b3-5e4e2531719d.png?v=1784697718</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 25 mL, Corning 5600-25</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 25 mL, Corning 5600-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-50-ml-corning-5600-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-53_2f81da1a-a862-4eb7-b390-63f313b031e9.png?v=1784697719</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 50 mL, Corning 5600-50</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 50 mL, Corning 5600-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-100-ml-corning-5600-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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  <url>
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    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 250 mL, Corning 5600-250</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-81.png?v=1784697726</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 500 mL, Corning 5600-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-1000-ml-corning-5600-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-86_a7b5ee5f-66c9-4ae0-8c34-e18108a7156d.png?v=1784697727</image:loc>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Volumetric, Lifetime Red Stripe, Snap Cap, Pyrex Brand, Class A, 2000 mL, Corning 5600-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polyethylene-snap-cap-no-5-k28150r</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6923-23.png?v=1784697730</image:loc>
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      <image:caption>Polyethylene Snap Cap, No. 5 K28150R</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-no-10-for-some-10-ml-pyrex-volumetric-flasks-6-pk-corning-7666-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Snap Cap, No. 10 for Some 10 mL Pyrex Volumetric Flasks 6/PK, Corning, 7666-10</image:title>
      <image:caption>Snap Cap, No. 10 for Some 10 mL Pyrex Volumetric Flasks 6/PK, Corning, 7666-10</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-pyrex-hdpe-polyethylene-for-50-ml-flask-corning-7666-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-53_d51cd65b-b542-42eb-9fa0-b5ae99522324.png?v=1784697733</image:loc>
      <image:title>Snap Cap, Pyrex, HDPE Polyethylene, for 50 mL Flask, Corning 7666-50</image:title>
      <image:caption>Snap Cap, Pyrex, HDPE Polyethylene, for 50 mL Flask, Corning 7666-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-pyrex-low-density-polyethylene-for-100-ml-flask-corning-7666-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-67_0bc5ca34-8be6-41cd-917c-228b42a4bda9.png?v=1784697735</image:loc>
      <image:title>Snap Cap, Pyrex, Low-Density Polyethylene, for 100 mL Flask, Corning 7666-100</image:title>
      <image:caption>Snap Cap, Pyrex, Low-Density Polyethylene, for 100 mL Flask, Corning 7666-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-no-200-for-some-200-ml-pyrex-volumetric-flasks-6-cs-corning-7666-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Snap Cap, No. 200 for Some 200 mL Pyrex Volumetric Flasks 6/CS, Corning, 7666-200</image:title>
      <image:caption>Snap Cap, No. 200 for Some 200 mL Pyrex Volumetric Flasks 6/CS, Corning, 7666-200</image:caption>
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  </url>
  <url>
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    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-78_ef004759-4488-4fd6-926e-f472e1db23f2.png?v=1784697738</image:loc>
      <image:title>Snap Cap, No. 250 for Some 250 mL Pyrex Volumetric Flasks 6/CS, Corning, 7666-250</image:title>
      <image:caption>Snap Cap, No. 250 for Some 250 mL Pyrex Volumetric Flasks 6/CS, Corning, 7666-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-pyrex-low-density-polyethylene-for-500-ml-flask-corning-7666-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-81_8ada693f-44c7-445a-acfa-2253648c029c.png?v=1784697739</image:loc>
      <image:title>Snap Cap, Pyrex, Low-Density Polyethylene, for 500 mL Flask, Corning 7666-500</image:title>
      <image:caption>Snap Cap, Pyrex, Low-Density Polyethylene, for 500 mL Flask, Corning 7666-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-pyrex-low-density-polyethylene-for-1000-ml-flask-corning-7666-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-86_7129acf7-e59e-43d6-af66-86f3ececae72.png?v=1784697741</image:loc>
      <image:title>Snap Cap, Pyrex, Low-Density Polyethylene, for 1000 mL Flask, Corning 7666-1 L</image:title>
      <image:caption>Snap Cap, Pyrex, Low-Density Polyethylene, for 1000 mL Flask, Corning 7666-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-no-2000-for-some-2000-ml-pyrex-volumetric-flasks-corning-7666-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-88.png?v=1784697742</image:loc>
      <image:title>Snap Cap, No. 2000 for Some 2000 mL Pyrex Volumetric Flasks, Corning, 7666-2 L</image:title>
      <image:caption>Snap Cap, No. 2000 for Some 2000 mL Pyrex Volumetric Flasks, Corning, 7666-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-weight-vinyl-coated-lead-ring-1-5-lb-bel-art-products-f18307-0015</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6928-04.png?v=1784697744</image:loc>
      <image:title>Flask Weight, Vinyl Coated Lead Ring, 1.5 lb., Bel Art Products, F18307-0015</image:title>
      <image:caption>Flask Weight, Vinyl Coated Lead Ring, 1.5 lb., Bel Art Products, F18307-0015</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-borosilicate-glass-with-polyethylene-stopper-100-ml-k28014p</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6942-67_9df50530-1c1d-47b3-b890-d3fc96a7220e.png?v=1784697745</image:loc>
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      <image:caption>Flask, Volumetric, Class A , Borosilicate Glass with Polyethylene Stopper, 100 mL, K28014P</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-10-ml-corning-5642-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-28_26f13237-7506-4ea8-9d99-439a8246a0f3.png?v=1784697746</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 10 mL, Corning 5642-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-50-ml-corning-5642-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-53_290ea996-1975-4069-908b-ac4ae18ac49d.png?v=1784697748</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 50 mL, Corning 5642-50</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 50 mL, Corning 5642-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-100-ml-corning-5642-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-67_2529429b-dcc8-4e4b-9f6b-1436a665d823.png?v=1784697749</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 100 mL, Corning 5642-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-200-ml-corning-5642-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-77_55a66f28-c663-443e-a229-40259d062975.png?v=1784697751</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 200 mL, Corning 5642-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-250-ml-corning-5642-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-78_069b170a-f812-46dd-a0e4-a07037bc3630.png?v=1784697752</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 250 mL, Corning 5642-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-500-ml-corning-5642-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-81_639370e7-7e43-422b-95bd-eae313ac59ab.png?v=1784697754</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 500 mL, Corning 5642-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-1000-ml-corning-5642-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-86.png?v=1784697755</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 1000 mL, Corning 5642-1 L</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 1000 mL, Corning 5642-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-2000-ml-corning-5642-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-88_ff3865bb-5356-4ecb-aef5-e37638b6059b.png?v=1784697757</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 2000 mL, Corning 5642-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-screw-cap-50-ml-corning-5650-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6955-53_6a65302d-1972-4307-a74c-fe8ff9a0c860.png?v=1784697758</image:loc>
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      <image:caption>Flask, Volumetric, Class A, with Screw Cap 50 mL, Corning, 5650-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-screw-cap-100-ml-corning-5650-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6955-67_17f046bf-aff9-4bd6-9f2b-080e98951f48.png?v=1784697759</image:loc>
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      <image:caption>Flask, Volumetric, Class A, with Screw Cap 100 mL, Corning, 5650-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/micro-volumetric-flask-pyrex-class-a-1-ml-standard-taper-stopper</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-12.png?v=1784697761</image:loc>
      <image:title>Micro Volumetric Flask, PYREX, Class A, 1 mL, Standard Taper Stopper</image:title>
      <image:caption>Micro Volumetric Flask, PYREX, Class A, 1 mL, Standard Taper Stopper</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/micro-volumetric-flask-pyrex-class-a-5-ml-standard-taper-stopper-corning-5630-5</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-23_a32afd10-403d-40e0-9347-aa2ed880de40.png?v=1784697763</image:loc>
      <image:title>Micro Volumetric Flask, PYREX, Class A, 5 mL, Standard Taper Stopper, Corning, 5630-5</image:title>
      <image:caption>Micro Volumetric Flask, PYREX, Class A, 5 mL, Standard Taper Stopper, Corning, 5630-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/micro-volumetric-flask-pyrex-class-a-10-ml-standard-taper-stopper-corning-5630-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-28_82a1ecef-9e67-474a-9927-bb002eb52fb9.png?v=1784697764</image:loc>
      <image:title>Micro Volumetric Flask, PYREX, Class A, 10 mL, Standard Taper Stopper, Corning, 5630-10</image:title>
      <image:caption>Micro Volumetric Flask, PYREX, Class A, 10 mL, Standard Taper Stopper, Corning, 5630-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-1-ml-kimble-28014-1</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-12_3131acd2-af2d-4c83-bf89-8ed9c905942e.png?v=1784697765</image:loc>
      <image:title>Flask, Volumetric, Class A, with Standard Taper Stopper, 1 ml, Kimble 28014-1</image:title>
      <image:caption>Flask, Volumetric, Class A, with Standard Taper Stopper, 1 ml, Kimble 28014-1</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-50-ml-kimble-28014-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-53_d1264a78-b12e-4428-846c-cc6873cc781e.png?v=1784697767</image:loc>
      <image:title>Flask, Volumetric, Class A, with Standard Taper Stopper, 50 mL, Kimble 28014-50</image:title>
      <image:caption>Flask, Volumetric, Class A, with Standard Taper Stopper, 50 mL, Kimble 28014-50</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-100-ml-kimble-28014-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-67_c99c7bf0-1bbe-4aac-85a0-89e623c75e3a.png?v=1784697768</image:loc>
      <image:title>Flask, Volumetric, Class A, with Standard Taper Stopper, 100 mL, Kimble 28014-100</image:title>
      <image:caption>Flask, Volumetric, Class A, with Standard Taper Stopper, 100 mL, Kimble 28014-100</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-200-ml-kimble-28014-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-77_c4563abf-f682-4df1-9981-6c18d6fe640a.png?v=1784697770</image:loc>
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      <image:caption>Flask, Volumetric, Class A, with Standard Taper Stopper, 200 mL, Kimble 28014-200</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-50-ml-corning-5660-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-53.png?v=1784697771</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 50 mL, Corning 5660-50</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 50 mL, Corning 5660-50</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-100-ml-corning-5660-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-67_d91f7dab-9dce-4740-bb58-f21b572ed37e.png?v=1784697773</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 100 mL, Corning 5660-100</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 100 mL, Corning 5660-100</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-200-ml-corning-5660-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-77.png?v=1784697774</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 200 mL, Corning 5660-200</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 200 mL, Corning 5660-200</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-250-ml-corning-5660-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-78.png?v=1784697776</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 250 mL, Corning 5660-250</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 250 mL, Corning 5660-250</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-500-ml-corning-5660-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-81_f0bff355-b4b0-40d3-a4de-25902edf6855.png?v=1784697777</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 500 mL, Corning 5660-500</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 500 mL, Corning 5660-500</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-1000-ml-corning-5660-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-86_b2477a30-a9ba-48c3-b300-11ce370af59f.png?v=1784697781</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 1000 mL, Corning 5660-1 L</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 1000 mL, Corning 5660-1 L</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-2000-ml-corning-5660-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-88_fd3d8454-a700-404b-a57a-49544f4f32e2.png?v=1784697782</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 2000 mL, Corning 5660-2 L</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 2000 mL, Corning 5660-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-volumetric-flask-class-a-with-ptfe-stopper-100-ml-12-cs-corning-5644-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7056-03_32c370e8-9a52-4a44-9695-e3adc9f55ec5.png?v=1784697784</image:loc>
      <image:title>Pyrex Volumetric Flask, Class A, with PTFE Stopper, 100 mL, 12/CS, Corning, 5644-100</image:title>
      <image:caption>Pyrex Volumetric Flask, Class A, with PTFE Stopper, 100 mL, 12/CS, Corning, 5644-100</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-volumetric-flask-class-a-with-ptfe-stopper-1000-ml-corning-5644-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7056-06_3748a97d-69f6-49cd-9f6a-26c831a00821.png?v=1784697785</image:loc>
      <image:title>Pyrex Volumetric Flask, Class A, with PTFE Stopper, 1000 mL, Corning, 5644-1 L</image:title>
      <image:caption>Pyrex Volumetric Flask, Class A, with PTFE Stopper, 1000 mL, Corning, 5644-1 L</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-flask-volumetric-class-a-certified-serialized-with-standard-taper-glass-stopper-10-ml-corning-5680-10</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-28_6c14afec-8bca-46f2-868f-d5d0036e3cd0.png?v=1784697787</image:loc>
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      <image:caption>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 10 mL, Corning, 5680-10</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-50-ml-corning-5680-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-53_68b59d82-615f-40db-b2e7-f3dbf096c707.png?v=1784697789</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 50 mL, Corning 5680-50.</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 50 mL, Corning 5680-50.</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-100-ml-corning-5680-100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-67_229bb0e1-5edf-41e6-8fe8-3bbb764bbafa.png?v=1784697790</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 100 mL, Corning 5680-100.</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-200-ml-corning-5680-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-77.png?v=1784697792</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 200 mL, Corning 5680-200.</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 200 mL, Corning 5680-200.</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-250-ml-corning-5680-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-78_de8ecca1-f1a1-464a-8076-6251f89536cc.png?v=1784697793</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 250 mL, Corning 5680-250.</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 250 mL, Corning 5680-250.</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-flask-volumetric-class-a-certified-serialized-with-standard-taper-glass-stopper-500-ml-corning-5680-500</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-81_5a40c752-f470-4d9d-b016-2a7feba3e9c1.png?v=1784697794</image:loc>
      <image:title>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 500 mL, Corning, 5680-500</image:title>
      <image:caption>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 500 mL, Corning, 5680-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-flask-volumetric-class-a-certified-serialized-with-standard-taper-glass-stopper-1000-ml-corning-5680-1-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-86.png?v=1784697796</image:loc>
      <image:title>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 1000 mL, Corning, 5680-1 L</image:title>
      <image:caption>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 1000 mL, Corning, 5680-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-flask-volumetric-class-a-certified-serialized-with-standard-taper-glass-stopper-2000-ml-corning-5680-2-l</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-88_e68e845d-8c5a-4347-9933-41e1817ae391.png?v=1784697797</image:loc>
      <image:title>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 2000 mL, Corning, 5680-2 L</image:title>
      <image:caption>Pyrex Flask, Volumetric, Class A, Certified/Serialized, with Standard Taper Glass Stopper, 2000 mL, Corning, 5680-2 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-low-actinic-class-a-with-glass-stopper-50-ml-corning-55640-50</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7071-53_ce04d6a4-5fd1-475f-986e-5e07735fb847.png?v=1784697799</image:loc>
      <image:title>Flask, Volumetric, Low Actinic, Class A, with Glass Stopper, 50 mL, Corning, 55640-50</image:title>
      <image:caption>Flask, Volumetric, Low Actinic, Class A, with Glass Stopper, 50 mL, Corning, 55640-50</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-phosphoric-acid-volumetric-flask-wide-neck-class-b-200-ml-12-cs-corning-5840-200</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7072-77_1994b658-62f4-4c30-8311-ff33d84a9f6e.png?v=1784697800</image:loc>
      <image:title>Pyrex (Registered) Phosphoric Acid Volumetric Flask, Wide Neck, Class B, 200 mL, 12/CS, Corning, 5840-200</image:title>
      <image:caption>Pyrex (Registered) Phosphoric Acid Volumetric Flask, Wide Neck, Class B, 200 mL, 12/CS, Corning, 5840-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-phosphoric-acid-volumetric-flask-wide-neck-class-b-250-ml-12-cs-corning-5840-250</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7072-78.png?v=1784697802</image:loc>
      <image:title>Pyrex (Registered) Phosphoric Acid Volumetric Flask, Wide Neck, Class B, 250 mL, 12/CS, Corning, 5840-250</image:title>
      <image:caption>Pyrex (Registered) Phosphoric Acid Volumetric Flask, Wide Neck, Class B, 250 mL, 12/CS, Corning, 5840-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-10-ml-class-b-volumetric-representative-image</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7115-28_dbd49a9d-75bf-4660-9363-cb43dbf769e2.png?v=1784697803</image:loc>
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      <image:caption>Flask, 10 mL Class B, Volumetric [REPRESENTATIVE IMAGE]</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-kohlraush-sugar-volumetric-class-a-borosilicate-glass-with-enlarged-mouth-100-ml-k28100</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7230-67_66620e11-7961-4f02-b988-cd75b424fb53.png?v=1784697805</image:loc>
      <image:title>Flask, Kohlraush Sugar Volumetric, Class A, Borosilicate Glass with Enlarged Mouth, 100 mL K28100</image:title>
      <image:caption>Flask, Kohlraush Sugar Volumetric, Class A, Borosilicate Glass with Enlarged Mouth, 100 mL K28100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-dewar-flask-1-l-4150-1000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7471-86.png?v=1784697806</image:loc>
      <image:title>Nalgene DEWAR Flask, 1 L, 4150-1000</image:title>
      <image:caption>Nalgene DEWAR Flask, 1 L, 4150-1000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/benchtop-dewar-flasks-2-l-2-cs-thermo-scientific-4150-2000</loc>
    <lastmod>2026-07-28T21:29:34-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7471-88_d153096a-af82-4ed5-b877-a0485ef91ecf.png?v=1784697809</image:loc>
      <image:title>Benchtop Dewar Flasks 2 L, 2/CS, Thermo Scientific, 4150-2000</image:title>
      <image:caption>Benchtop Dewar Flasks 2 L, 2/CS, Thermo Scientific, 4150-2000</image:caption>
    </image:image>
  </url>
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