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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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  <url>
    <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>2026-08-26T18:57:38-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1248-23.png?v=1786078369</image:loc>
      <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>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
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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>2026-08-26T18:57:38-04:00</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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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>2026-08-26T18:57:38-04:00</lastmod>
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    <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1260-28.png?v=1786078377</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/applicators-cotton-tipped-sterile-6-in-long</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1265-02.png?v=1786078379</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>
  <url>
    <loc>https://preiser.com/products/odo-clave-autoclave-deodorizer-pine-scent-100-pk-bel-art-products-h13198-0002</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1301-03_831260eb-58a6-4b3c-a0a0-c58a18e00216.png?v=1786078381</image:loc>
      <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>
    <loc>https://preiser.com/products/apron-clear-vinyl-27-x-36-in-4-mil-bel-art-products-h24603-0001</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
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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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tyvek-sleeves-18-in-45-7-cm-length-100-pairs-cs-mtl-850-18</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1345-01_81e08a05-3730-4b54-868f-a9e0d7192fab.png?v=1786505544</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1401-97.png?v=1786078386</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/coveralls-tyvex-2x-25-cs</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-01.png?v=1786078387</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-02.png?v=1786078388</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/coveralls-tyvex-medium-25-cs</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-95.png?v=1786078390</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1414-97_44958340-852e-4724-9b6f-045be82e1461.png?v=1786505545</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1680-01_645974f6-f92c-46db-bd2f-90b952e394e4.png?v=1786078394</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1680-02_6b7eeb45-6975-4024-8476-e28daedd27b1.png?v=1786078395</image:loc>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1681-02.png?v=1786078396</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1682-01_aa9f48b9-066b-4eda-b701-389c657a45f4.png?v=1786078398</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1694-02_6e143a2c-797f-4be4-911e-c5adc355316d.png?v=1786078401</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1695-08.png?v=1786078402</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-38.png?v=1786078403</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-50.png?v=1786078405</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-70.png?v=1786078406</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-96.png?v=1786078407</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1696-98.png?v=1786078409</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1698-18.png?v=1786078410</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1698-21.png?v=1786078412</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1699-01_0ad6191e-a951-4cc8-a804-6a9c84008a15.png?v=1786078413</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1708-04.png?v=1786078414</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1708-06.png?v=1786078416</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1709-02_2ca7e80c-6459-454b-a182-f82cafb37333.png?v=1786078417</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1709-06_7c2583c6-b3e0-4891-a11f-7b3fd5fbb4a1.png?v=1786078418</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-01.png?v=1786078421</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-02_435499a3-35fd-471b-a33f-7a1e47f1f2e7.png?v=1786078423</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1710-04.png?v=1786078425</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1712-01.png?v=1786078426</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1712-02.png?v=1786078427</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1713-01.png?v=1786078428</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1745-81.png?v=1786078429</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1745-88.png?v=1786078431</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-01_2ca7b3f3-dcbb-41ca-9876-924f29e26d92.png?v=1786078432</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-02.png?v=1786078434</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1779-03_f895df5f-b08c-4885-b40c-06dc3d805519.png?v=1786078435</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-01_70337d06-7e6b-4953-943a-8a1a21ef4c9b.png?v=1786591855</image:loc>
      <image:title>Hexagonal Polystyrene 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 Polystyrene 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-03_20f2938e-8e59-4a78-99f9-286bc41c4068.png?v=1786078438</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-05.png?v=1786591856</image:loc>
      <image:title>Hexagonal Polystyrene Weighing Dishes, Large, 200 mL Capacity, 500/CS, Eagle Thermoplastics Inc, HWB-475</image:title>
      <image:caption>Hexagonal Polystyrene 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1785-07_cbf21fc3-74f8-4d59-9683-17c3f54f1ef1.png?v=1786591858</image:loc>
      <image:title>Hexagonal Polystyrene Weighing Dishes, XL, 350 mL Capacity, 500/CS, Eagle Thermoplastics, HWB-550</image:title>
      <image:caption>Hexagonal Polystyrene 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-01_1b23f81e-f9d3-40bd-bc89-3818124294d8.png?v=1786078442</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-02_fa83d752-4125-4aaf-825b-f199189af41b.png?v=1786078444</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1791-03.png?v=1786078445</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-1820-01.png?v=1786078447</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2625-24_01776ac7-1466-4df4-b7e1-4b554a7144da.png?v=1786078448</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2979-04.png?v=1786078449</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-24.png?v=1786078451</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-26_cbf12e3e-8737-49fe-bcac-b9174522ed7e.png?v=1786078452</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2980-27.png?v=1786078453</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2990-12.png?v=1786078455</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2992-23.png?v=1786078456</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2992-24.png?v=1786078457</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-2995-23.png?v=1786078459</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3010-82_c1986459-74fa-4594-b24c-cab8049f2d19.png?v=1786078460</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3010-88.png?v=1786078463</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3055-01.png?v=1786078465</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3157-86.png?v=1786078466</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-53.png?v=1786078467</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-67.png?v=1786078469</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-74.png?v=1786078470</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-78_5f10044e-5f2b-4f23-9644-7d86495e4f6a.png?v=1786078471</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-80_528e80ab-4959-40fd-97b6-affdc88f600f.png?v=1786078473</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-86.png?v=1786078474</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-88.png?v=1786078482</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3280-92.png?v=1786078477</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-81.png?v=1786078478</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-86.png?v=1786078479</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-88.png?v=1786078481</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3289-90_96f4c7be-ac9c-4033-b589-a8ea7b3443df.png?v=1786078482</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3291-01.png?v=1786591859</image:loc>
      <image:title>Nalgene Beaker with Handle Graduated, Polymethylpentene (PMP) 1000 mL, Thermo Scientific, 1223-1000</image:title>
      <image:caption>Nalgene Beaker with Handle Graduated, Polymethylpentene (PMP) 1000 mL, Thermo Scientific, 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3415-24.png?v=1786078485</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3430-82.png?v=1786078486</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3512-82.png?v=1786078487</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3512-86.png?v=1786078489</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-53.png?v=1786078491</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-67.png?v=1786078492</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3513-78.png?v=1786078493</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-53.png?v=1786591860</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-78_9a36c5a3-7c20-4e2c-92fb-d095447b3e27.png?v=1786078499</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3515-80.png?v=1786078500</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-23.png?v=1787369457</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-30_878167d6-9ff6-4752-af07-36ef019bb113.png?v=1787715056</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-40.png?v=1787715058</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3527-53.png?v=1786078509</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3529-74_49f8995a-1946-4132-93da-44bf5756fb65.png?v=1786078511</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3529-78.png?v=1786078512</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3530-74.png?v=1786078519</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3530-82_b8bf8d2e-6e9b-4957-9345-343f4e781393.png?v=1786078523</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3544-17_f7c2cf5e-30d3-49a4-9b89-15c6dd190217.png?v=1787369460</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3544-22_ef47a3d2-caf4-4f73-b1b7-345952ffccf2.png?v=1787369462</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-22.png?v=1786078527</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-26.png?v=1786078529</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3920-35_f26938c4-1a1f-4185-8f28-67c541ae1d1d.png?v=1786078530</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-17.png?v=1786078533</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-23_02dfe367-846f-4f75-baf5-5e2b43ead184.png?v=1786078534</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3922-46.png?v=1786078535</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3925-17.png?v=1786078537</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3925-22.png?v=1786078538</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-12.png?v=1786078540</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-17_0e492fc7-368c-45e4-a0a6-066f08701597.png?v=1786078541</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-22.png?v=1786078543</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-26.png?v=1786078544</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-35.png?v=1786078545</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3950-46.png?v=1786078547</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3960-35_29677338-fc00-4f2e-a5f7-e75864cfafd8.png?v=1786078548</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-86_7cf94d13-88e6-4a8a-b886-675c791f7e0b.png?v=1786591864</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-88.png?v=1786591866</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3962-91.png?v=1786591867</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3964-20.png?v=1786078554</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3965-03.png?v=1786591868</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3965-08.png?v=1786078556</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-08.png?v=1786078558</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-12.png?v=1786078560</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-17.png?v=1786078561</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-22.png?v=1786078562</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-28_4e178be2-aa2b-4b84-b579-7c127d0814f0.png?v=1786078564</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-35.png?v=1786078565</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-46.png?v=1786078567</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-59.png?v=1786078568</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-71.png?v=1786078570</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3966-78.png?v=1786078571</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3967-46.png?v=1786078573</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-35_0f784a9f-5ce0-49b8-8479-7a2cd1545dcc.png?v=1786078574</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-46.png?v=1786078575</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3968-71.png?v=1786078576</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-06.png?v=1786078578</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-08.png?v=1786078579</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-17.png?v=1786078580</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-22.png?v=1786078582</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-26_4ed5a41a-e6e9-48df-9d94-f0af17dc479e.png?v=1786078583</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-35.png?v=1786078585</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-46_aa291c78-0de5-4348-99ee-ddbc7484a905.png?v=1786078586</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-71.png?v=1786078587</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3971-78.png?v=1786078589</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-12.png?v=1786591870</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-17.png?v=1786591871</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-22.png?v=1786591872</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-26_ad54b37c-822a-468d-b4c3-5aeb89cdcd8d.png?v=1786591874</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-35.png?v=1786591875</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3972-46.png?v=1786078597</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-28_a1854781-2971-47bc-84c5-c74a986c4831.png?v=1786078599</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-46.png?v=1786078601</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-59.png?v=1786078602</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-71_79c4c766-f761-4d99-b03d-bf631f749a08.png?v=1786078603</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3976-85_cd776eee-bb53-442f-b097-e6627dcb8020.png?v=1786078605</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3981-17.png?v=1786078607</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3981-31.png?v=1786078609</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3984-18.png?v=1786078611</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-3984-23.png?v=1786078612</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4000-23.png?v=1787783447</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-70.png?v=1786078615</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-79.png?v=1786078616</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4005-82.png?v=1786078618</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4012-05.png?v=1786591878</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4014-05.png?v=1786078620</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-71.png?v=1786078622</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-78.png?v=1786078623</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-81.png?v=1786078625</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-86.png?v=1786078627</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4017-88.png?v=1786078628</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4020-22.png?v=1786078629</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4020-46.png?v=1786078634</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4025X-81.png?v=1786078636</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-17_3c6b3412-001e-4043-90a9-c165fdb44f3c.png?v=1786078638</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-24.png?v=1786078639</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-26.png?v=1786078641</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-35_f883c124-51b4-4ca3-bd49-cef924c0f4ab.png?v=1786078642</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4030-46.png?v=1786078643</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-24_a82e60cb-ea49-4714-bc3e-7bb3cb86a4cc.png?v=1786078645</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-26.png?v=1786078646</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-27.png?v=1786078647</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-35.png?v=1786078648</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4031-46.png?v=1786078650</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-71.png?v=1786078651</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-78.png?v=1786078652</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4032-80.png?v=1786078654</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4035-71_68a8d306-f316-4ef4-a801-b08811a232cc.png?v=1786078655</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4040-22.png?v=1786078657</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4042-46.png?v=1786078658</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-22.png?v=1786078659</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-28.png?v=1786078661</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-35.png?v=1786078662</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4045-46.png?v=1786078664</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4047-46.png?v=1786078665</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-67.png?v=1786078668</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-81.png?v=1786078672</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-86_daf170a2-866b-4162-82b8-55d3dfebffa3.png?v=1786078674</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-87.png?v=1786078675</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-88_e3dc642a-ce77-4ea5-85eb-7f07bc6d8f71.png?v=1786078676</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4050-92.png?v=1786078677</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4054-01.png?v=1786078680</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4055-71.png?v=1786078682</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4056-08.png?v=1786078683</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-12.png?v=1786078684</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-22.png?v=1786078686</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-28.png?v=1786078687</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-35.png?v=1786078689</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4057-46.png?v=1786078690</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-01.png?v=1786078691</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-02.png?v=1786078693</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-03.png?v=1786078694</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-04.png?v=1786078696</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-05.png?v=1786078697</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4058-06_037f3e31-ec68-4915-91d2-d58c436cda00.png?v=1786078699</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-22.png?v=1786078700</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-22B.png?v=1786078702</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4059-35B.png?v=1786078706</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4061-17.png?v=1786078710</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4061-23.png?v=1786078711</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-22.png?v=1786078712</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-28.png?v=1786078714</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-35.png?v=1786078715</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4062-46.png?v=1786078717</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4065-28_82f10b0a-92f6-4438-9e3a-96e04ff1f690.png?v=1786078718</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4065-76.png?v=1786078719</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4066-78.png?v=1786078721</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4067-26.png?v=1786078722</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4071-26_179efdfc-581c-4729-ba4e-378f2171dfd3.png?v=1786078723</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4074-51.png?v=1786078726</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4074-71.png?v=1786078728</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4075-06.png?v=1786078730</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4075-07_c8557a6c-2559-47c5-b78a-b6424ee01a6a.png?v=1786078732</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4076-46.png?v=1786078743</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4077-03.png?v=1786078744</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4231-19.png?v=1786078746</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4231-23.png?v=1786078749</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4240-45.png?v=1786078752</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-22.png?v=1786078755</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-35.png?v=1786078758</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4246-46.png?v=1786078759</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-05_ee2baac8-1ce0-41e0-af70-5e4fcaa64e20.png?v=1786078760</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-10.png?v=1786078762</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-15.png?v=1786078763</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-20.png?v=1786078764</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4261-35.png?v=1786078766</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4263-17.png?v=1786078767</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4263-46.png?v=1786078768</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4269-01.png?v=1786078770</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4269-05.png?v=1786078771</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4272-86_31f7f341-0e52-4b69-85e0-889977a387ae.png?v=1786078774</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4274-10.png?v=1786078775</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4277-12.png?v=1786078777</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4281-71.png?v=1786078778</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4281-78.png?v=1786078779</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-01.png?v=1786078781</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-02_b13b8d70-85d8-4516-ae38-58657ae4f73c.png?v=1786078782</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-03.png?v=1786078784</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-04_bb83022d-9eb1-4d55-aa60-fbead4ce8ba4.png?v=1786078785</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-10.png?v=1786505549</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4293-13.png?v=1786078788</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4297-17_4b39cf5b-3209-4898-9f11-216c1c07a83b.png?v=1786078789</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4297-22.png?v=1786078790</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4300-26.png?v=1786078792</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4303-35.png?v=1786078793</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-12_13abb05b-42d5-4718-8ea8-61845b5d21bc.png?v=1786078794</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-17_425430de-f68a-4c1f-a5fe-ebe198d4180f.png?v=1786078796</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-22.png?v=1786078797</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-26.png?v=1786078798</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-35.png?v=1787715061</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-36.png?v=1786078803</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-46.png?v=1786078807</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4306-47.png?v=1786078807</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-15.png?v=1786078809</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-39_28f7a475-8a96-4e93-9932-46054e461f31.png?v=1786078810</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-43_1d4726c0-e2ed-4832-b487-f223ef50c94c.png?v=1786078812</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-55_3176bc7e-9b0d-49b3-a1d4-42290568a232.png?v=1786078812</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-64.png?v=1786078814</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-73_98ac14d9-8c54-4fb6-b5ee-1e9bdbb85e26.png?v=1786078815</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4323-75.png?v=1786078817</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-58.png?v=1786078818</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-64.png?v=1786078820</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4324-67_872f0d4d-99f5-489d-8810-9358cccadd71.png?v=1786078821</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4326-70_b8e661fe-d360-4fd8-9ad8-e4733f21cb47.png?v=1786078823</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-71.png?v=1786078824</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-78.png?v=1786078826</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-86.png?v=1786078827</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4378-88.png?v=1786078829</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4424-91_dcc56651-31fe-4d5d-b01f-13d7a6855893.png?v=1786078830</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4424-96_6254a5c6-cb12-425d-9f08-8fd8691e6162.png?v=1786078832</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4452-10.png?v=1786078833</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4452-12.png?v=1786078835</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4453-05.png?v=1786078836</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4453-10_54a28029-0bd8-4c93-b839-cd1264a0923a.png?v=1787369463</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4455-01.png?v=1787369465</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4457-10.png?v=1786078840</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4458-10_84a2c101-ed16-460e-a2bf-fcc8142eab54.png?v=1786078842</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-12.png?v=1786078843</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-17.png?v=1786078845</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-22_2bdb94ff-24c5-465e-97f9-e695870fa61b.png?v=1786078846</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-26.png?v=1786078848</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4507-35.png?v=1786078849</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4542-71_e680b10e-19a8-4660-8c24-5467213bad44.png?v=1786078851</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-12_ec522abe-3572-483b-8157-6185f1601598.png?v=1786078852</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-17.png?v=1786078853</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-22_de316a3f-d1bb-4107-b7d5-2717b525cdac.png?v=1786078854</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4564-26.png?v=1786078856</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-01.png?v=1786078857</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-02.png?v=1786078859</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-03_16ac2a2b-2b79-4b1c-b2e9-58f1d1999d89.png?v=1786078860</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-04_2d4cb0a3-edc0-49e4-92f9-929ff8cd38d6.png?v=1786078861</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4567-06.png?v=1786078863</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4568-78.png?v=1786078864</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4570-71_6ffdb602-39bf-40f2-9429-be3bdab8c76b.png?v=1786078866</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4570-78.png?v=1786078867</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4571-12.png?v=1786078869</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-45.png?v=1786078870</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-58.png?v=1786078872</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4576-71.png?v=1786078873</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4662-01.png?v=1786078875</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4664-01_9d7cac72-a134-4d69-82e6-1a6e4f41770d.png?v=1786078876</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4665-01_e307aefd-9a88-4dc2-9224-e686cbaed961.png?v=1786078877</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4666-01.png?v=1786078878</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4670-01.png?v=1786078880</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4707-81_710b8271-8005-4b93-9d8a-60d931886421.png?v=1786078882</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4709-80_11530cde-b59c-4b53-8d6c-04b2845ade24.png?v=1786078883</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4712-01_ac900aec-de78-406c-bfcd-47c845776993.png?v=1786078884</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4712-02_8abc8d15-3a47-4c3a-97ca-a91707f0cc46.png?v=1786078886</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4713-01.png?v=1786078887</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4713-02.png?v=1786078889</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4718-01.png?v=1786078890</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-03.png?v=1786078892</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-05.png?v=1786078893</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-10.png?v=1786078894</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4767-20.png?v=1786078896</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4788-39.png?v=1786159847</image:loc>
      <image:title>Serum Bottle, 20 mL, Narrow Mouth Glass, Type I Clear, 288/CS, DWK, 223742</image:title>
      <image:caption>Serum Bottle, 20 mL, Narrow Mouth Glass, Type I Clear, 288/CS, DWK, 223742</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/serum-bottle-clear-100-ml-144-cs-wheaton-223747</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4788-67.png?v=1786078899</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4789-45.png?v=1786159848</image:loc>
      <image:title>Bottle, Serum, 30 mL, Narrow Mouth, Amber, Mouth, 288/CS, DWK, 223763</image:title>
      <image:caption>Bottle, Serum, 30 mL, Narrow Mouth, Amber, Mouth, 288/CS, DWK, 223763</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4792-30.png?v=1786078902</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4798-02.png?v=1786159850</image:loc>
      <image:title>Rubber Serum Stopper, D-88, Fits Mouth Size: 5 mm I.D. x 11 mm O.D., Natural Red Rubber,1000/CS, DWK, 224100-020</image:title>
      <image:caption>Rubber Serum Stopper, D-88, Fits Mouth Size: 5 mm I.D. x 11 mm O.D., Natural Red Rubber,1000/CS, DWK, 224100-020</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4804-39_7b5da325-41e8-4d73-a7b8-e2173f2b51a5.png?v=1786078904</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4838-23.png?v=1786078906</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4844-01.png?v=1786078907</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4858-01.png?v=1786078908</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4888-44.png?v=1786078910</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4891-23.png?v=1786078911</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-4894-26.png?v=1786078913</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-02.png?v=1786078914</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-03.png?v=1786078916</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-04.png?v=1786078917</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-05.png?v=1786078919</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-06_158810dc-3345-41d4-ae9c-ca99f0561c0b.png?v=1787628652</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5032-07_49b1a0a7-971e-4c3f-9025-b9b62a57423c.png?v=1786159851</image:loc>
      <image:title>Wheaton NextGen V Vial, 1 mL, Amber Glass, Solid Top, PTFE/Rubber-Lined Phenolic Screw Cap, 12/CS, DWK, W986334NG</image:title>
      <image:caption>Wheaton NextGen V Vial, 1 mL, Amber Glass, Solid Top, PTFE/Rubber-Lined Phenolic 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-03_f65682c7-0e37-4ff3-8bda-28e748c96868.png?v=1786078923</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-34.png?v=1786078924</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-35.png?v=1786078925</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-36.png?v=1786078927</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-37.png?v=1786078928</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-38_42cd8858-e7a0-4b8c-acc8-b5396a526441.png?v=1786078930</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-39.png?v=1786078931</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-40.png?v=1786078932</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5034-41_9b9d6227-4e85-413e-ac45-8f372d7b08bc.png?v=1786078934</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5038-27_849df9ff-c567-4254-8817-3b6afae1ab84.png?v=1786078935</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5042-01_f27d35c4-ef09-4f63-9c37-e427033446eb.png?v=1787715062</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5042-02.png?v=1786078938</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5054-37.png?v=1786078940</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5054-53.png?v=1786078941</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5058-25.png?v=1786078943</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5063-28_06377719-5e17-4d59-a38b-79755b093be7.png?v=1786078944</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5064-10_d25ecd24-6e0c-4b82-a5d0-5463ded95d8b.png?v=1786078946</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5064-30.png?v=1786159853</image:loc>
      <image:title>Polypropylene Cap, 24-400, White with Foil Liner, 1000/CS, DWK, 240805</image:title>
      <image:caption>Polypropylene Cap, 24-400, White with Foil Liner, 1000/CS, DWK, 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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-20.png?v=1786505551</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-39_ab020c13-887a-4321-bf6b-658ac3b1cd0d.png?v=1786505552</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-50_1ab5b96b-b0b7-4441-b3cd-442504b62c8f.png?v=1786078951</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-51.png?v=1786078952</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-53_6480b091-fbc3-4eba-99b7-6d883c6fcad5.png?v=1787783448</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-54.png?v=1787783450</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-55_47062a49-37a5-4715-9bad-e29ee3dfca2b.png?v=1786078957</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5078-56_78693d8c-ffc9-4658-8835-69b7cc2bef95.png?v=1786078958</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5079-51.png?v=1786505553</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-12_2cd0228a-a24b-4558-a141-3cf9e1c6a6f7.png?v=1786078961</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-15.png?v=1786078962</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5093-16_42954fc1-ab6e-4394-8f3e-3b29fb85f04e.png?v=1786078964</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5102-10_15242a43-ac46-4686-99c6-21ac731db562.png?v=1786678254</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5102-11.png?v=1786678255</image:loc>
      <image:title>Mininert Valves for 20 mm Septum Vials, 12/PK, Thermo Scientific, TS-10135</image:title>
      <image:caption>Mininert Valves for 20 mm Septum Vials, 12/PK, Thermo Scientific, TS-10135</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5124-02.png?v=1787196653</image:loc>
      <image:title>Replacement Flask, for Automatic Wash Bottle, Kool-Grip, 1000 mL [PUMP APPARATUS AT TOP NOT INCLUDED}, DWK, 1051R</image:title>
      <image:caption>Replacement Flask, for Automatic Wash Bottle, Kool-Grip, 1000 mL [PUMP APPARATUS AT TOP NOT INCLUDED}, DWK, 1051R</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-71_b5b69251-3649-4713-8313-8c2efa49da5d.png?v=1786078969</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-78.png?v=1786078970</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-81.png?v=1786078972</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5156-86.png?v=1786078973</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-78.png?v=1786078975</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-81.png?v=1786078976</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5157-86.png?v=1786078978</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5158-81_69db79a3-d64c-4d45-9fe3-647ec63ed953.png?v=1786078980</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5159-78.png?v=1786078981</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5159-81.png?v=1786078982</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-60_86212c2a-dfca-4b0f-b46e-1b6b647ef3cf.png?v=1786078984</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-62.png?v=1786078985</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-64_d4ec87fd-fa5c-4d9c-b595-7f441f96bc24.png?v=1786078986</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5162-66.png?v=1786078988</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5163-81_3fbe1511-1049-4982-88e8-36b6818b5e4e.png?v=1786078989</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5163-86.png?v=1786078991</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-71.png?v=1786078992</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-78.png?v=1786078994</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5165-81_30e79dba-a2a5-41fb-a815-01efee4a9a7f.png?v=1786078995</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-01.png?v=1786078997</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-03_ed70df21-4d7b-47d5-b7cb-fcc3215ebf00.png?v=1786078998</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5167-06.png?v=1786079000</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5168-81.png?v=1786079001</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5168-86.png?v=1786079003</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5172-06.png?v=1786079004</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5174-86.png?v=1786079005</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-02_25e4915e-4cb3-4772-956a-7c9e770a7c2e.png?v=1786079007</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-05.png?v=1786079008</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-06.png?v=1786079010</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-07.png?v=1786079011</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-08.png?v=1786079012</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-09.png?v=1786079013</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-13.png?v=1786079015</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-16.png?v=1786079017</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-18.png?v=1786079018</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5178-20_efa66a5c-3d68-422f-ae67-8bab1b5bed45.png?v=1786079019</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5180-04.png?v=1786079022</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5180-07.png?v=1786079023</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5181-04.png?v=1787783452</image:loc>
      <image:title>Nalgene Right-To-Know Wash Bottle 500 mL for Methylene Chloride, Thermo Scientfiic, 2427-0504</image:title>
      <image:caption>Nalgene Right-To-Know Wash Bottle 500 mL for Methylene Chloride, Thermo Scientfiic, 2427-0504</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-04.png?v=1786079026</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-06_4c81fe8b-76b1-4f6e-81c1-6a2792390c42.png?v=1786079029</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5182-81.png?v=1786079034</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-01.png?v=1786079036</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-05.png?v=1786079037</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5191-06.png?v=1786079039</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-01.png?v=1786079043</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-03.png?v=1786079045</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-04.png?v=1786079046</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5197-05_b146cfb9-12d4-493a-9db1-900277069794.png?v=1786079048</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5198-05.png?v=1786079049</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-02.png?v=1786079051</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-03.png?v=1786079052</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-04.png?v=1786079053</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-05.png?v=1786079055</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5341-06.png?v=1786079056</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-17.png?v=1786079057</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-22.png?v=1786079059</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-26_291bb05b-9f15-4fdc-8294-5361baba396c.png?v=1787369472</image:loc>
      <image:title>Bottle, Polystrene (P/S), without Cap, 8 oz., Wide-Mouth, 70-400 Neck Finish, Cincinnati Container, B0408C1</image:title>
      <image:caption>Bottle, Polystrene (P/S), without Cap, 8 oz., Wide-Mouth, 70-400 Neck Finish, Cincinnati Container, B0408C1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-16-oz-p-s-without-cap-89-mm-neck</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-5757-35.png?v=1787369473</image:loc>
      <image:title>Bottle, 16  oz., Polystyrene (P/S), without Cap, 89-400, Wide Mouth, Cinicinnati Container, BO416C</image:title>
      <image:caption>Bottle, 16  oz., Polystyrene (P/S), without Cap, 89-400, Wide Mouth, Cinicinnati Container, BO416C</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6438-01.png?v=1786079063</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6440-04.png?v=1786079064</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6442-01_a7ac3357-e800-48e5-a6ca-e1c75a16cda8.png?v=1786079066</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-02.png?v=1786079067</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-03_f2f6838c-7e3b-402e-ba15-2272548eda96.png?v=1786079068</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6443-04_d9bae5c9-ccc7-4bb6-81a0-8bf4b2c62230.png?v=1786079069</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-11.png?v=1786079071</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-13.png?v=1786079072</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-14.png?v=1786079074</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-15_7563bc5b-6439-4363-aa85-c45f6a8fbf0b.png?v=1786079075</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6445-16_f758260c-781d-41c5-b0fc-458a62884727.png?v=1786079076</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6454-11_089bdf0c-e4e3-4b80-9372-a5beaf11c0d4.png?v=1786079078</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6524-09_6cba9b96-2599-4a32-a651-1d4091205c7c.png?v=1787283070</image:loc>
      <image:title>Nalgene Utility Box, Clear Styrene-Acrylonitrile with White Low-Density Polyethylene Lid, 750 mL, 2/PK, Thermo Scientific, 5700-0750</image:title>
      <image:caption>Nalgene Utility Box, Clear Styrene-Acrylonitrile with White Low-Density Polyethylene Lid, 750 mL, 2/PK, Thermo Scientific, 5700-0750</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/brush-bristle-flat-1-in</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6690-12.png?v=1786079082</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6820-01.png?v=1786079083</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6940-01.png?v=1787369474</image:loc>
      <image:title>Brush, Babcock Cream Test Bottle, Gordon Brush Company, 1860</image:title>
      <image:caption>Brush, Babcock Cream Test Bottle, Gordon Brush Company, 1860</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-6945-01_0b4d37c1-a543-4366-9957-1f1d08690843.png?v=1787283073</image:loc>
      <image:title>Bottle Brush, Black Bristle with fan Tip, Babcock Milk Test, 9 in. Length, Gordon Brush Company, 1845</image:title>
      <image:caption>Bottle Brush, Black Bristle with fan Tip, Babcock Milk Test, 9 in. Length, Gordon Brush Company, 1845</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nalgene-bucket-polypropylene-11-qt-7012-0110</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7160-01_55ffd88d-8a84-4662-8695-a87811b7d681.png?v=1786079087</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7182-34_58db1cc4-3c20-40a2-910d-280f7f142ecb.png?v=1786079088</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7185-01.png?v=1786079090</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7400-11.png?v=1786079091</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-02.png?v=1787783454</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-03.png?v=1786079093</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-06.png?v=1786079095</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-10.png?v=1786079096</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-11.png?v=1786079098</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-12.png?v=1786079100</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-13.png?v=1786079101</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-14.png?v=1786079103</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7425-16_9675faa0-5b43-4123-8a6d-fc7f00068432.png?v=1786079104</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7650-42.png?v=1786079106</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7732-28.png?v=1786079107</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-28.png?v=1786079109</image:loc>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-42.png?v=1786079110</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-53.png?v=1786079111</image:loc>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7736-67.png?v=1786079113</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7875-42_b98c874c-c9df-42aa-9fd7-676fe332b6ff.png?v=1786079114</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-28_cbc0ef65-df15-4cd0-bfb1-e1aed2945d85.png?v=1786079115</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-42.png?v=1786079117</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7900-53.png?v=1786079118</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-7915-42.png?v=1786079119</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8340-67.png?v=1786079121</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8619-01.png?v=1786079122</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8710-22.png?v=1786079124</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8915-01.png?v=1786079125</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8916-01.png?v=1786079127</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-8919-01.png?v=1786079137</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9130-01.png?v=1786079130</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9136-01_f7003ed8-09ca-46bd-b06d-e7afc6acf70c.png?v=1786079132</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9185-01.png?v=1786079134</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/standard-burner-wing-top-mixing-tube-od-7-16-in-11-mm</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/10-9210-01.png?v=1786079135</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/100-hazardous-shipping-fee-for-web-orders</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/100-HAZARD.png?v=1786079136</image:loc>
      <image:title>$100 Hazardous Shipping Fee for Web Orders</image:title>
      <image:caption>$100 Hazardous Shipping Fee for Web Orders</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/100-extra-shipping-fee-for-web-orders</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/100-SHIP.png?v=1786079138</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-03.png?v=1786079139</image:loc>
      <image:title>Porcelain Casserole, 60 mL Capacity, 35 mm Height x 70 mm OD, 60058</image:title>
      <image:caption>Porcelain Casserole, 60 mL Capacity, 35 mm Height x 70 mm OD, 60058</image:caption>
    </image:image>
  </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-04_1259c012-6ef4-4970-82f2-1bd91159f549.png?v=1786079140</image:loc>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-05.png?v=1786505555</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-07.png?v=1786079144</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-1190-09.png?v=1786079145</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-2721-01_e6c0f9a6-a738-4e7f-a556-3dcd72e6f0a5.png?v=1787369476</image:loc>
      <image:title>Periodic Chart, Laminated Both Sides on 8 Point Board, Markable with Dry-Erase Pen, 38 x 50 in., Learning Lab, LL-1015</image:title>
      <image:caption>Periodic Chart, Laminated Both Sides on 8 Point Board, Markable with Dry-Erase Pen, 38 x 50 in., Learning Lab, LL-1015</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3075-01.png?v=1786079148</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3075-02_ea07d4b9-de37-4f36-ba35-c1f2bf9df894.png?v=1786079149</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3488-01.png?v=1786079153</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3495-01_0731c602-6674-4aa6-83e1-804aff9c201d.png?v=1786079154</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3498-01.png?v=1786079155</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3510-01.png?v=1786079157</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</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3680-01_6ecffa9c-7f15-49bd-b2a7-52b5b70f3cd0.png?v=1787283077</image:loc>
      <image:title>Clamp, Laboratory Utility, Thermo Fisher Scientific</image:title>
      <image:caption>Clamp, Laboratory Utility, Thermo Fisher Scientific</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermometer-clamp-360-degree-jaw-rotation</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3840-01.png?v=1786079163</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-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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-3940-01_d311a4e8-c492-4962-bfc5-7303fff80c05.png?v=1787369477</image:loc>
      <image:title>Clamp Holder, Contort Type, for Up to 19 mm Rods, 90 degree Angle</image:title>
      <image:caption>Clamp Holder, Contort Type, for Up to 19 mm Rods, 90 degree Angle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-pinchcock-regular-duty</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4070-01.png?v=1787369479</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4170-02.png?v=1787369480</image:loc>
      <image:title>Clamp, Flask, Stainless Steel,  Jaws Open Up to 110 mm, Fisherbrand, 10-062</image:title>
      <image:caption>Clamp, Flask, Stainless Steel,  Jaws Open Up to 110 mm, Fisherbrand, 10-062</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamp-tri-grip-large-7014</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4491-01.png?v=1787369482</image:loc>
      <image:title>Clamp, Tri-Grip, Large, Thermo Scientfiic, 7014AQ</image:title>
      <image:caption>Clamp, Tri-Grip, Large, Thermo Scientfiic, 7014AQ</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4618-01.png?v=1786079169</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4639-05_cac3f1fb-451e-4c11-b1b8-4c837f47f533.png?v=1786079171</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4639-08_aef99345-638c-4344-afb6-3738e4a758fd.png?v=1786079172</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4640-14.png?v=1787369483</image:loc>
      <image:title>Tubing Clamp, Dura-Clamp</image:title>
      <image:caption>Tubing Clamp, Dura-Clamp</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-28.png?v=1786079175</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-34.png?v=1786079176</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4649-39.png?v=1786079177</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4650-02.png?v=1786079179</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4652-01_9b4c5de9-7ee3-4f60-ae9d-53c0ab3825ab.png?v=1787369484</image:loc>
      <image:title>Hose Clamp, Stainless Steel Worm Drive with Thumb Screw, 7/16-25/32 in., 10/PK, Breeze Clamps, QS200M6W0</image:title>
      <image:caption>Hose Clamp, Stainless Steel Worm Drive with Thumb Screw, 7/16-25/32 in., 10/PK, Breeze Clamps, QS200M6W0</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4652-22_aac2d9a0-082c-47d9-890e-5ef498990a6f.png?v=1786079181</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4654-01_9ad131d6-7ba6-42fa-a2ee-acab851262eb.png?v=1786079183</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4655-01.png?v=1786079184</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4660-01.png?v=1787369486</image:loc>
      <image:title>Clamp, Large 4-Prong, for Supporting Glassware on Support Stands</image:title>
      <image:caption>Clamp, Large 4-Prong, for Supporting Glassware on Support Stands</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4689-01.png?v=1786079187</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4696-01.png?v=1786079188</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4751-12_59bdddc7-6748-462b-98c3-5ea87caf5a96.png?v=1787715066</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4752-01.png?v=1786079192</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4756-11.png?v=1786079194</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4756-13.png?v=1786079196</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-01_ee34481e-b192-4f82-b0d6-0a58edbbc663.png?v=1786079198</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-02_ab102762-9dc3-4758-b63f-9146b43b1798.png?v=1787283081</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4766-03.png?v=1786079203</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4776-01.png?v=1786505557</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4787-01_1af7f83d-1ece-41e4-96d9-7511fc1ee4c7.png?v=1786079207</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-softguard-16-oz-pump-top-contains-four-gentle-emollients-and-conditioners-to-help-protect-and-maintain-skin-moisture</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4796-02.png?v=1786079210</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4820-01_0783d40a-3bf0-413f-83f0-5d44f31f949d.png?v=1787369489</image:loc>
      <image:title>New Bacdown Hand Soap, 1 L Bottle, Dispenser Pump Bottle, Decon 7001</image:title>
      <image:caption>New Bacdown Hand Soap, 1 L Bottle, Dispenser Pump Bottle, Decon 7001</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4821-01.png?v=1787369492</image:loc>
      <image:title>Bacdown Hand Soap, 5 L Dispensing Bottle, Decon, 7005</image:title>
      <image:caption>Bacdown Hand Soap, 5 L Dispensing Bottle, Decon, 7005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/refills-for-bacdown-hand-soap</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-4821-02.png?v=1787369493</image:loc>
      <image:title>Refills for Bacdown Hand Soap, 5 L, Decon, 7005</image:title>
      <image:caption>Refills for Bacdown Hand Soap, 5 L, Decon, 7005</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5500-81.png?v=1786079216</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5501-81_f0923d96-c7ae-4db9-ab03-881798c01268.png?v=1786079217</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5501-86.png?v=1786079219</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5502-03.png?v=1786079221</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/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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5503-35_4184e45c-5be7-4f34-82c9-b58906f8093e.png?v=1786505558</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5503-42.png?v=1786079224</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-77.png?v=1786079225</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-79.png?v=1786079227</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-5920-80.png?v=1786079228</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6025-80_64f43aec-85c1-4a56-8a90-d06130e29bb1.png?v=1786079230</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6025-81.png?v=1786079231</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6275-16_e00a5bf3-8318-4212-8985-5f76a3c9bcc8.png?v=1786079232</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6275-30.png?v=1786079234</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6391-05_5c294376-cd95-43d2-935a-6df07b6ca5a5.png?v=1786079235</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6451-01_a512aa58-1341-4515-adec-56dad99531ae.png?v=1787369495</image:loc>
      <image:title>Cork Knife, Stainless Steel Blade, with Cushion Grip, Vinyl Handle, Blade Length 3-1/4 in., Longcap and Lamsom, 21940</image:title>
      <image:caption>Cork Knife, Stainless Steel Blade, with Cushion Grip, Vinyl Handle, Blade Length 3-1/4 in., Longcap and Lamsom, 21940</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6505-44.png?v=1786079238</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-wide-form-32-mm-o-d-top-x-20-mm-h-8-ml-coors-60133</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6610-04_5ce20555-7f15-43f5-8036-23a7a57c5c56.png?v=1786079239</image:loc>
      <image:title>Crucible, Wide Form, 32 mm O.D. Top x 20 mm H, 8 mL, Coors 60133</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6730-01.png?v=1786079241</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>
    </image:image>
  </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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    </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6850-01_8821abda-86c7-46db-a32e-d8b2241bd84e.png?v=1786079249</image:loc>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6875-17_baba4d6e-bb18-4374-94ad-8e7169232d4a.png?v=1787369497</image:loc>
      <image:title>Crucible Holder, Sargent #2, Rubber, Supports 25 mL Gooch Crucible, Plasticoid Company</image:title>
      <image:caption>Crucible Holder, Sargent #2, Rubber, Supports 25 mL Gooch Crucible, Plasticoid Company</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-rubber-adapter-only</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6890-17_9e5d67e1-cbfd-40e3-9e04-f76a6b71735b.png?v=1787369498</image:loc>
      <image:title>Crucible Holder, # 2</image:title>
      <image:caption>Crucible Holder, # 2</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-filtervac-3-flask-and-funnel-not-included</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-6890-20.png?v=1787369499</image:loc>
      <image:title>Crucible Holder, FilterVac # 3</image:title>
      <image:caption>Crucible Holder, FilterVac # 3</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/crucible-opaque-hi-quartz-20</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7325-39_0cdb01dc-f092-4d81-87fc-a73820cab92f.png?v=1787369500</image:loc>
      <image:title>Crucible, Opaque HI Quartz, 20 mL, Tall Form, Saint Gobain, 214-TFCRUC20</image:title>
      <image:caption>Crucible, Opaque HI Quartz, 20 mL, Tall Form, Saint Gobain, 214-TFCRUC20</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-hydrometer-50-x-200-mm-representative-image</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7570-10.png?v=1787369502</image:loc>
      <image:title>Cylinder, Hydrometer, Borosilicate Glass, 50 x 200 mm, Wilmad LabGlass, DOR-F110</image:title>
      <image:caption>Cylinder, Hydrometer, Borosilicate Glass, 50 x 200 mm, Wilmad LabGlass, DOR-F110</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrometer-cylinder-38-x-150-mm</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7585-71_2b5e6e93-ef3e-4ea1-a7fc-0594b8979e87.png?v=1787369503</image:loc>
      <image:title>Hydrometer Cylinder, 38 x 150 mm, DWK, 20058-38150</image:title>
      <image:caption>Hydrometer Cylinder, 38 x 150 mm, DWK, 20058-38150</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-03.png?v=1786079262</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-05.png?v=1786079263</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-06_39a7681f-760c-4e23-b845-6fc3b2ceec4d.png?v=1786079265</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-07.png?v=1786079267</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-09_189c503e-2905-4e1a-aba3-0fd1041e0245.png?v=1786079268</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-10.png?v=1786079269</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7685-12.png?v=1786079272</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-28.png?v=1786079273</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-42_b3c61f7a-f0eb-4709-8d06-458b7032bbee.png?v=1786079274</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-53.png?v=1786079276</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-78_770e30ae-ddcd-4a01-83ee-a4591c3d1b87.png?v=1786079278</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7687-86_561cf9b9-93c6-43da-aaf5-0e003f729d1c.png?v=1786079281</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-28_404b7563-cd89-453c-b120-4c1ebdae8b05.png?v=1786079284</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-42.png?v=1786079285</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-53.png?v=1786079287</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-67.png?v=1786419038</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-78_cf96abf5-65dc-4ffe-9ae9-0f58c292b059.png?v=1786079290</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-81.png?v=1786079291</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-86.png?v=1786079292</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7688-88.png?v=1786079294</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-28.png?v=1786079295</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-42.png?v=1786079297</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-53.png?v=1787783455</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-67_35d9be48-af0a-48fa-9b93-53b0c2f9c85b.png?v=1786079300</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-78.png?v=1786079302</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-81.png?v=1786079303</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7690-86.png?v=1786079304</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-21.png?v=1786079307</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-28.png?v=1786079308</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-42.png?v=1786079310</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-53.png?v=1786079311</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-67_99a1bb2d-1361-401f-bf25-a683005426fe.png?v=1786079313</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-78.png?v=1786079314</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-81_c9a9417c-a5c1-4d76-a611-05ac6dc49946.png?v=1786079315</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-86.png?v=1786079317</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7691-88.png?v=1786079318</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-42.png?v=1786079322</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-67.png?v=1786079326</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-78.png?v=1786079327</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-81.png?v=1786079329</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7692-86.png?v=1786079330</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7700-53_97f3880f-355a-42fb-b9ba-0b9c5ccfb696.png?v=1787369507</image:loc>
      <image:title>Cylinder, Graduate, Student Grade, To Contain, 50 mL, Corning, 3075-50</image:title>
      <image:caption>Cylinder, Graduate, Student Grade, To Contain, 50 mL, Corning, 3075-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-100ml-c3075</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7700-67.png?v=1786079334</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7736-53.png?v=1786079336</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7736-67.png?v=1786079337</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7739-53_063f751d-c9c7-46c4-b7bb-4a4c3638d55d.png?v=1787369507</image:loc>
      <image:title>Cylinder, Low Form, Tuttle Type, 50 mL, Wilmad/LabGlass, 1618-0050</image:title>
      <image:caption>Cylinder, Low Form, Tuttle Type, 50 mL, Wilmad/LabGlass, 1618-0050</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-42.png?v=1786079342</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-53.png?v=1786079343</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-67.png?v=1786079345</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-78.png?v=1786079346</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7840-81.png?v=1786079348</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-28.png?v=1786079352</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-42_eca0fcaf-d5e8-4444-8243-7c1d73b88eef.png?v=1786079354</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>
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  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-calibrated-to-contain-economy-50-ml-corning-3025-50</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-53.png?v=1786079354</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-67.png?v=1786079356</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-78.png?v=1786079357</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-81_b8735e9a-db18-40de-8cd7-ceeb1ed4b12a.png?v=1786079359</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-86.png?v=1786079360</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7850-88.png?v=1786079362</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-28.png?v=1786079363</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-42.png?v=1787110255</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-53.png?v=1786079366</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-67_02ddba2e-dd4b-4a06-bd24-fb9bf20f955d.png?v=1786079367</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-78_7e5688bb-1a11-4132-b26a-f25c898afe89.png?v=1786079369</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-81.png?v=1786079370</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-86.png?v=1786079371</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7940-88.png?v=1786079374</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-01.png?v=1786079375</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-02_5295cc19-68c5-424b-a113-66b38be0f20a.png?v=1786079376</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-03_3666ac01-21d2-435d-96bc-40a6af712fe2.png?v=1786079378</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-04.png?v=1786079379</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-05.png?v=1786079380</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-53.png?v=1786079382</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-67.png?v=1786079383</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7945-86.png?v=1786079385</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7949-86.png?v=1786079386</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7949-88.png?v=1786079387</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-42_b4c91f5a-8285-47c9-a46e-279999d04d54.png?v=1787110257</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-67_79c0c59e-37d8-4fa2-a6d8-a64b619712d5.png?v=1786079390</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-78.png?v=1786079391</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-81.png?v=1786079393</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7950-86.png?v=1786079394</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-42.png?v=1786079395</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-53_0d73e55d-9794-4f57-8a5e-242a2e48f6c9.png?v=1786079397</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-67_19332eed-0281-44b6-979c-f9672249749f.png?v=1786079398</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-68.png?v=1786079400</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-78.png?v=1786079401</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-81.png?v=1786079403</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-86.png?v=1786079404</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-7975-88.png?v=1786079406</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-03.png?v=1786079407</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-04.png?v=1786079409</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-06.png?v=1786079410</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-07.png?v=1786079412</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-08.png?v=1786079413</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-09_88d372c9-c345-40f6-85fd-1066c1536c36.png?v=1786079415</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8175-10.png?v=1786079416</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-42.png?v=1786079417</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-53.png?v=1786079419</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-67_efa5111d-2100-400a-8dd3-b413211af08b.png?v=1786079420</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-68.png?v=1786079422</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-78.png?v=1786079423</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8176-82_5623df23-9fe1-4c20-8303-a574219fcc71.png?v=1786079424</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-28.png?v=1786079426</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-42.png?v=1786079427</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-53.png?v=1786079429</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-67_b0d22930-3276-4f00-9164-bf79c60c6708.png?v=1786079431</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-78.png?v=1786079432</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-81_fa023ef3-9707-4dbc-a0d6-1514c9d48463.png?v=1786079433</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-86.png?v=1786079435</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8180-88.png?v=1786079436</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-67.png?v=1786079438</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-78_2709d39c-902a-4b0c-897f-3d081db06dd8.png?v=1786079439</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8247-86_183b30f0-7edf-4f36-8057-b3b7e4607158.png?v=1786079440</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8450-12.png?v=1786079443</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8450-23_23dc0c92-df9a-4c47-9f37-77fc87a1fb09.png?v=1787369510</image:loc>
      <image:title>Drierite 4 Mesh, Anhydrous Calcium Sulfate,  Non-Indicating, 5 lb. Bottle, W.A. Hammond, 11005</image:title>
      <image:caption>Drierite 4 Mesh, Anhydrous Calcium Sulfate,  Non-Indicating, 5 lb. Bottle, W.A. Hammond, 11005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/regular-drierite-anhydrous-calcium-sulfate-6-mesh-non-indicating-1-lb</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8451-12_8ec48dbb-897f-4f4d-86a9-4844cc33a309.png?v=1787369512</image:loc>
      <image:title>Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 1 lb, W.A. Hammond, 12001.</image:title>
      <image:caption>Drierite, Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 1 lb, W.A. Hammond, 12001.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/regular-drierite-anhydrous-calcium-sulfate-6-mesh-non-indicating-5-lb</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8451-23_e9711138-d2aa-47e9-a345-4cf905ff7892.png?v=1787369514</image:loc>
      <image:title>Drierite Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 5 lb, W.A. Hammond, 12005</image:title>
      <image:caption>Drierite Anhydrous Calcium Sulfate, 6 Mesh, Non-Indicating, 5 lb, W.A. Hammond, 12005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/indicating-drierite-anhydrous-calcium-sulfate-4-mesh-1-lb</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-12.png?v=1786079450</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-23.png?v=1786079452</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8460-42.png?v=1786079454</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8461-12_9992c51e-9691-4f89-acca-3096715a2fed.png?v=1786079457</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8461-23.png?v=1786079458</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8463-12_207b644f-92dc-4432-8b69-2a4c8a2bd830.png?v=1786079460</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/11-8463-23_4684e0e1-000f-4333-9136-81e1d4ec0e26.png?v=1786079463</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1026-01_01a2a439-84bd-405c-9c3e-6bb1633b8d52.png?v=1786079464</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1026-02.png?v=1786079465</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-01.png?v=1786079467</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-05.png?v=1786079468</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1027-06_f3eda857-a63c-474f-8896-15d4a6298738.png?v=1786079469</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1049-01.png?v=1786079471</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1054-03_90b5d2f6-1734-42d0-b235-fb5013eb31a4.png?v=1786079472</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1054-05_90156aff-a2ab-4f9f-808c-e7d13d15eef5.png?v=1786079473</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1055-01.png?v=1786079475</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1096-78.png?v=1786079476</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1096C-77_be143f6f-b4ed-41e5-9f7f-f821cdb005e7.png?v=1787369515</image:loc>
      <image:title>Desiccator Cover Only, Glass, 8 in., Variety Glass, 682-4 LID</image:title>
      <image:caption>Desiccator Cover Only, Glass, 8 in., Variety Glass, 682-4 LID</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-replacement-ring-for-large-top-sleeve-desiccator</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1198-78.png?v=1786079480</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-01_88fbc73b-2b68-439b-bc85-e1fd59338924.png?v=1786079482</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-02.png?v=1786079483</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1279-03_92940d86-9229-43bf-b68c-16d6c35fefbc.png?v=1786079485</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1280-15.png?v=1786079486</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1285-01_eb903f5c-393d-43d2-ae4b-10f42e924874.png?v=1787369517</image:loc>
      <image:title>New O-Ring, Neoprene, 160 mm</image:title>
      <image:caption>New O-Ring, Neoprene, 160 mm</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1286-01.png?v=1786079488</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1291-77.png?v=1786079490</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1300-22.png?v=1786079491</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1300-23.png?v=1786079492</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-00.png?v=1786079494</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-01_875ed579-ed02-41e3-a112-567c08b6ca8c.png?v=1787283083</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-02.png?v=1787283084</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-05_6c781267-1c2b-4e30-85c5-9f8dda8c0b06.png?v=1786079498</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1570-31.png?v=1786079501</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1572-01.png?v=1786079502</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1572-02_40f59625-a5bf-42c1-b6ad-787579da0f3a.png?v=1787283086</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1575-01_2e418826-2b4b-4f60-bf17-b91baa7252c2.png?v=1786079505</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1691-01.png?v=1786079506</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-03.png?v=1786079508</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-04.png?v=1786079510</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-06.png?v=1786079511</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1692-08.png?v=1786079512</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-63_3faa3b72-c395-4f0a-8899-5eb2f2b06906.png?v=1786079514</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-65.png?v=1786079515</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1700-68_fdc11c9d-d5e1-4503-9562-39970d104092.png?v=1786079516</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-02.png?v=1786505560</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-06.png?v=1786079519</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-07_0d9f417e-80b7-4f00-9b86-88febdbc224b.png?v=1787283088</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-08_aaf7b4b1-7011-4f3b-b9f0-25bbb18e0690.png?v=1786079522</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-10_38f89e85-b794-49e7-8087-af8bf69cbe54.png?v=1786079523</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-11.png?v=1786079525</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-12.png?v=1786079526</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-13.png?v=1786079527</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-16.png?v=1786079529</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1704-27_ce808e05-fdbf-4292-b739-eb4fb01d2ba2.png?v=1786505563</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1735-67_28af673b-a53a-4121-b57a-1a30e36608c4.png?v=1787628655</image:loc>
      <image:title>Dish, Evaporating, Teflon, 100 mL, Saint Gobain, D1069044</image:title>
      <image:caption>Dish, Evaporating, Teflon, 100 mL, Saint Gobain, D1069044</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1735-80_b89fc532-8b40-49a6-8fa3-8da754045055.png?v=1787628657</image:loc>
      <image:title>Dish, Evaporating, White Opaque Teflon Polytetrafluoroethylene (PTFE), 400 mL, Saint Gobain, D1069045</image:title>
      <image:caption>Dish, Evaporating, White Opaque Teflon Polytetrafluoroethylene (PTFE), 400 mL, Saint Gobain, D1069045</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-16.png?v=1786079535</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-17.png?v=1786079536</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-18.png?v=1786079538</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-19.png?v=1786079539</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-24.png?v=1786079540</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1819-25.png?v=1786079541</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-01_1ca6852b-6f07-4222-ba51-b25092b7bef4.png?v=1786079543</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-02.png?v=1786079544</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-03.png?v=1786079545</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820-04.png?v=1786079547</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1820X-05_14153dc4-5c0c-41e8-b797-0edcccf2b1d9.png?v=1786079548</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-01.png?v=1786079550</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-03.png?v=1786079551</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1825-04.png?v=1786079552</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-02_be6efa5f-ff36-47ab-94db-3854e0064f74.png?v=1786079554</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-03_fd483c92-592e-4018-9e59-4cea4fd31acc.png?v=1786079555</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-04.png?v=1786079556</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-1827-05_a54b4ccd-2a63-4c4e-8b35-a95ffcee1646.png?v=1786079558</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>
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  </url>
  <url>
    <loc>https://preiser.com/products/petri-dish-150x15-mm-100-cs-polystryene-sterile-falcon-351058</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2080-01.png?v=1786079559</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2104-01.png?v=1786079560</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2481-01.png?v=1786079562</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2486-01_aa8c40cc-00ed-46bb-833f-6c51148c94ff.png?v=1786079563</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2487-01.png?v=1786079564</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2505-01_bbac3e2e-5ab5-402f-85cf-88bde6e6b9ae.png?v=1787628658</image:loc>
      <image:title>Forceps, Specimen, Stainless Steel, Serrated Tips, Straight, 4-1/2 in, Walter Stern, 300-038</image:title>
      <image:caption>Forceps, Specimen, Stainless Steel, Serrated Tips, Straight, 4-1/2 in, Walter Stern, 300-038</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/curved-forceps-stainless-steel-medium-fine-smooth-tips-300-011</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2510-01.png?v=1786079567</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2791-10.png?v=1787628659</image:loc>
      <image:title># 10 Surgical Blades, Stainless Steel, Sterile, 50/PK, Aspen Surgical, 371210</image:title>
      <image:caption># 10 Surgical Blades, Stainless Steel, Sterile, 50/PK, Aspen Surgical, 371210</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>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Forceps, Dumont, Stainless Steel, Very Sharp Fine Points, Straight, 4-3/4 in., Walter Stern, 300-050</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-2964-11.png?v=1787628662</image:loc>
      <image:title>Reverse-Action Forceps, 5 in., Sharp, Smooth Points, Stainless Steel, Normally Closed, Opens with Finger Pressure, Walter Stern, 300-066</image:title>
      <image:caption>Reverse-Action Forceps, 5 in., Sharp, Smooth Points, Stainless Steel, Normally Closed, Opens with Finger Pressure, Walter Stern, 300-066</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/midi-vap-distilling-head-3-in-borosilicate-glass-dwk-479156-3001</loc>
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    <changefreq>daily</changefreq>
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      <image:caption>Midi-Vap Distilling Head, 3 in., Borosilicate Glass, DWK, 479156-3001</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/midi-vap-distilling-head-4-5-in-borosilicate-glass-dwk-479156-4501</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3100-03.png?v=1786079574</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>
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  </url>
  <url>
    <loc>https://preiser.com/products/distilling-receiver-with-24-40-joints-on-sidearm-pyrex-brand-10-ml-corning-3602-10</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3220-01.png?v=1786079575</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>
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    <loc>https://preiser.com/products/distilling-column-packing-raschig-rings-7-x-7-mm-sold-by-each-each-1-lb</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3480-02.png?v=1787783457</image:loc>
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      <image:caption>Distilling Column Packing, Raschig Rings, 7 x 7 mm (Sold by Each, Each = 1 Lb.)</image:caption>
    </image:image>
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    <loc>https://preiser.com/products/allihn-condenser-with-standard-taper-45-50-joint-c7780-30</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3705-91.png?v=1786505564</image:loc>
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      <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>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3705-95.png?v=1786079579</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3721-95.png?v=1786079581</image:loc>
      <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>
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  </url>
  <url>
    <loc>https://preiser.com/products/extraction-tube-soxhlet-with-joints-at-top-and-bottom-pyrex-brand-borosilicate-glass-corning-3740-l</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-3721-97.png?v=1786079582</image:loc>
      <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>
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  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-25-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-07.png?v=1786079584</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>
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  <url>
    <loc>https://preiser.com/products/extraction-thimbles-30-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>
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  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-33-x-80-for-use-with-soxhlet-and-other-extraction-apparatus</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-15_1aa117ad-846f-4ee4-8a4c-c32b2a0ba055.png?v=1787783458</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>
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  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimble-single-thickness-33-x-94-mm-25-pk</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-16_65174adc-bd74-416c-b62e-52a16c2a83d1.png?v=1786079588</image:loc>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4170-18_f1430112-9563-4d02-b181-7e7b2529dbb3.png?v=1786079589</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4175-15_0beaf2ac-8dff-4898-bbd1-119feb70e9ed.png?v=1786079590</image:loc>
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      <image:caption>Extraction Thimble, 33 x 80 mm,25/PK</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/extraction-thimbles-cellulose-double-thickness-43mm-diameter-x-123-mm-l</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4175-18.png?v=1786079592</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4195-01.png?v=1786079593</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4195-03.png?v=1786079595</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>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4195-06_4a76ce67-8cdc-421a-a641-c2b6f9ef6954.png?v=1787628664</image:loc>
      <image:title>Extraction Thimble, Round Bottom, 45 mm x 127 mm, Alundum/Quartz, Saint Gobain Ceramics, 3254423</image:title>
      <image:caption>Extraction Thimble, Round Bottom, 45 mm x 127 mm, Alundum/Quartz, Saint Gobain Ceramics, 3254423</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4215-02.png?v=1786079597</image:loc>
      <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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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4215-03_7cad67b9-1800-49c5-8217-057c06f63bbe.png?v=1786079598</image:loc>
      <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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  <url>
    <loc>https://preiser.com/products/pyrex-extraction-thimble-extra-coarse-fritted-35-mm-diameter-90-mm-long-corning-33950-mec</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4215-04.png?v=1786079600</image:loc>
      <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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  <url>
    <loc>https://preiser.com/products/pyrex-extraction-thimble-extra-coarse-fritted-45-mm-diameter-130-mm-long-corning-33950-lec</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4215-06.png?v=1786079601</image:loc>
      <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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  <url>
    <loc>https://preiser.com/products/whatman-non-sterile-gd-x-syringe-filters-25-mm-0-45-um-150-pk</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4446-12.png?v=1786079603</image:loc>
      <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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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4446-13_71ddf042-1009-4164-938e-5a49b12cd1c5.png?v=1786079604</image:loc>
      <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>
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  </url>
  <url>
    <loc>https://preiser.com/products/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</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4512-04.png?v=1786079605</image:loc>
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      <image:caption>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:caption>
    </image:image>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4518-16_10d12547-816d-4c1f-b1a0-e6f999234db8.png?v=1786079606</image:loc>
      <image:title>Nalgene Filter Unit, 0.45 um Cellulose Nitrate Membrane, 150 mL, 12/CS 125-0045</image:title>
      <image:caption>Nalgene Filter Unit, 0.45 um Cellulose Nitrate Membrane, 150 mL, 12/CS 125-0045</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
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      <image:title>Nalgene Filter Holder 250 mL 1/PK with Receiver, 300-4000</image:title>
      <image:caption>Nalgene Filter Holder 250 mL 1/PK with Receiver, 300-4000</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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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>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:title>Rapid-Flow Sterile Single Use Bottle Top Filter, 150 mL, 0.45 Micron, Fits 33 mm Neck, 12/CS, Nalgene, 290-3345</image:title>
      <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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cytiva-whatman-membrane-filter-plain-white-cellulose-nitrate-47-mm-diameter-0-1-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-03.png?v=1786079612</image:loc>
      <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>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-22.png?v=1786079613</image:loc>
      <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>
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  </url>
  <url>
    <loc>https://preiser.com/products/cytiva-whatman-membrane-filter-plain-white-cellulose-nitrate-47-mm-diameter-0-45-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-24_cf5d956f-e981-4d79-85a8-a2392df68678.png?v=1786079615</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/cytiva-whatman-membrane-filter-plain-white-cellulose-nitrate-90-mm-diameter-0-45-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-25.png?v=1786079616</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/cytiva-whatman-membrane-filter-plain-white-cellulose-nitrate-142-mm-diameter-0-45-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-26.png?v=1786079618</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/cytiva-whatman-membrane-filter-plain-white-cellulose-nitrate-47-mm-diameter-0-8-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-38_8b0430cb-6568-442e-898f-534b10d9d3ee.png?v=1786079619</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-membrane-filter-plain-white-cellulose-nitrate-47-mm-diameter-5-micron-pore-size</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-56.png?v=1786079620</image:loc>
      <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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/whatman-mixed-cellulose-ester-circle-me-range-me-25-plain-sterile-0-45-%C2%B5m-pore-size-50-mm-diameter-100-pk-cytiva-10401672</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4530-58_f0531bdb-f795-4b86-9cb3-ebbc3ad0953f.png?v=1786079621</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/sterile-mixed-cellulose-ester-membranes-3-1-mm-gridded-0-45-microm-47-mm-100-pk</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4534-01_e60b721b-5671-4147-a96d-c4575b90a436.png?v=1786079623</image:loc>
      <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>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-units-250-ml-capacity-mf75-series-pes-membrane-polystyrene-housing-168-0045</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4543-04.png?v=1786079624</image:loc>
      <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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filtration-funnel-glass-47-mm-300-ml-for-fritted-holder</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4544-02_21f2292f-4657-4971-b8bb-5810ec7c6d24.png?v=1786079626</image:loc>
      <image:title>Filtration Funnel, Glass, 47 mm, 300 mL, for Fritted Holder</image:title>
      <image:caption>Filtration Funnel, Glass, 47 mm, 300 mL, for Fritted Holder</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glass-47-mm-support-base-fritted-coarse-porosity-wheaton-419352</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4544-03.png?v=1786079627</image:loc>
      <image:title>Glass 47 mm Support Base, Fritted, Coarse Porosity, Wheaton, 419352</image:title>
      <image:caption>Glass 47 mm Support Base, Fritted, Coarse Porosity, Wheaton, 419352</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-clamp-47-mm</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4544-04_33e3ddab-1ddd-42cb-96f3-f3097f6f435b.png?v=1787628665</image:loc>
      <image:title>Wheaton Aluminum Clamp Replacement, 47 mm for Glass Filter Holder, DWK, 419354</image:title>
      <image:caption>Wheaton Aluminum Clamp Replacement, 47 mm for Glass Filter Holder, DWK, 419354</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-47-mm-stainless-steel-replacement-support-screen-for-47-mm-membrane-filter-assembly-419364-representative-image</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4544-06_f41b2b85-17c6-4616-afa3-535ae56e3202.png?v=1786079630</image:loc>
      <image:title>Wheaton 47 mm Stainless Steel Replacement Support Screen for 47 mm Membrane Filter Assembly, 419364 [Representative Image]</image:title>
      <image:caption>Wheaton 47 mm Stainless Steel Replacement Support Screen for 47 mm Membrane Filter Assembly, 419364 [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wheaton-ptfe-support-screen-gasket-for-47-mm-filtration-assembly-6-cs-419366-representative-image</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4544-07.png?v=1786079631</image:loc>
      <image:title>Wheaton PTFE Support Screen Gasket for 47 mm Filtration Assembly, 6/CS, 419366 [Representative Image]</image:title>
      <image:caption>Wheaton PTFE Support Screen Gasket for 47 mm Filtration Assembly, 6/CS, 419366 [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filtration-assembly-47-mm-with-1-l-flask-fritted-support-coarse-porosity-wheaton-419380</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4545-01.png?v=1787628666</image:loc>
      <image:title>Wheaton Filtration Assembly, 47 mm with 1 L Flask, Fritted Support, Coarse Porosity, DWK, 419380</image:title>
      <image:caption>Wheaton Filtration Assembly, 47 mm with 1 L Flask, Fritted Support, Coarse Porosity, DWK, 419380</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/qualitative-filter-paper-grade-610-4-25-cm-100-pk-ahlstrom-6100-0425</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4553-10.png?v=1786079633</image:loc>
      <image:title>Qualitative Filter Paper, Grade 610, 4.25 cm, 100/PK, Ahlstrom, 6100-0425</image:title>
      <image:caption>Qualitative Filter Paper, Grade 610, 4.25 cm, 100/PK, Ahlstrom, 6100-0425</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-paper-10-cm-diameter-representative-image</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4580-28.png?v=1787628668</image:loc>
      <image:title>Filter Paper, 10 cm Diameter</image:title>
      <image:caption>Filter Paper, 10 cm Diameter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/filter-paper-qualitative-grade-617-fast-9-cm-diameter-50-pk-ahlstrom-6170-0900</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-03_7b98813a-f246-40bb-9227-60abf8d36c74.png?v=1786079638</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-09_8a791488-2bfd-4453-8510-ba11bc6f886b.png?v=1787783459</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4581-15.png?v=1786079643</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-03.png?v=1786079644</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-04.png?v=1786079646</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4595-05.png?v=1786079647</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-01_51a8240a-b5fb-462a-8005-2404f1b7c8e5.png?v=1786079650</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-03.png?v=1786079651</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-04.png?v=1786079652</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-05_b1482266-4f40-439b-9708-94a84b892bd0.png?v=1786079654</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4596-06.png?v=1786159858</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-01_faed5fac-f103-4e03-ad51-6df53e56f421.png?v=1786079656</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-05.png?v=1786079660</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4597-06.png?v=1786079662</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-4621-01_30c0c164-0e16-4585-ac0a-c0c1a8f04812.png?v=1786079664</image:loc>
      <image:title>ENVIROCHEK Filter Capsule GLM#12110</image:title>
      <image:caption>ENVIROCHEK Filter Capsule GLM#12110</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/microfunnel-disposable-sterile-0-45-um-50-pk-glm4800</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5289-83.png?v=1786079668</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5429-05_bb9fdfc8-9aec-4de1-88e3-366ab250b42a.png?v=1786079669</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-04_dc30bd47-93f7-4f4e-bbb3-86844da09635.png?v=1786079671</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-05_cbb27b27-882c-45fc-8dd7-8205ce1f820e.png?v=1786079672</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-07_84f2dcab-4933-42aa-b7ed-23911f02d287.png?v=1787283090</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-08_e47210c1-5dcc-446f-ae86-1c04fb31bf03.png?v=1786079676</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5446-09.png?v=1786079678</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5450-81.png?v=1787283092</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5455-01.png?v=1786079685</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5460-01.png?v=1786079685</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5466-01_cc9fead8-8f8e-4040-89d5-a7dd55dd29df.png?v=1786079687</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-71.png?v=1786079688</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-78.png?v=1786079689</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-81.png?v=1786079691</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5470-86_dc592a27-1318-4e71-aef9-3ef1cb6ea1f1.png?v=1786079692</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5515-78.png?v=1786079693</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5515-81.png?v=1786079695</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5560-86.png?v=1786079696</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5663-53.png?v=1786079697</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-02.png?v=1786079699</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-04.png?v=1786079701</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-06.png?v=1786079702</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-08.png?v=1786079704</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5666-09_3e93020e-8832-4586-b4d7-30418c9e114c.png?v=1786079706</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-5670-86.png?v=1786079708</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>
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  <url>
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  </url>
  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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      <image:caption>Tissue Culture Flask, Surface Treated, Sterile, Plug Seal Cap, 350 mL, T75, 10/CS, FB012938</image:caption>
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  <url>
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      <image:caption>Reagent Reservoir with Divider, 25 mL, Non-Sterile, Single Use, Polystyrene, White, 100/CS, Thermo Scientific, 9512-8095</image:caption>
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  <url>
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      <image:caption>Tissue Culture Flask with Vented Cap, 12.5 sq cm Growth Area, STERILE, 200/CS, Celltreat, 229321</image:caption>
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  </url>
  <url>
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      <image:caption>Flask, Pyrex Distilling, with Side Arm, 50 mL, Corning, 4620-50</image:caption>
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  <url>
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  <url>
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      <image:caption>Flask, Pyrex Distilling, with Side Arm, 250 mL, Corning, 4620-250</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Pyrex Distilling, with Side Arm, 1000 mL, Corning, 4620-1 L</image:caption>
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  </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Distilling, Two Neck, 19/22, Side Neck, Angle Type, Borosilicate Glass, 100 mL</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Flask, Narrowl-Mouth Erlenmeyer, Heavy Duty, Borosicilate Glass, 50 mL K26500</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Flask Erlenmeyer Screw Closure FEP 125 mL, 4/CS, Thermo Scientific, 4106-0125</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Flask Erlenmeyer Screw Closure PC 500 mL, 12/CS, Thermo Scientific, 4108-0500</image:caption>
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  <url>
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      <image:caption>Flask Erlenmeyer Screw Closure PMP 125 mL, 24/CS, Thermo Scientific, 4109-0125</image:caption>
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  <url>
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      <image:caption>Flask Erlenmeyer Screw Closure PMP 250 mL, 12/CS, Thermo Scientific, 4109-0250</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Erlenmeyer Flask with Screw Cap, 50 mL, 26505-50</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
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      <image:caption>Flask, Erlenmeyer with Screw Cap, Capacity Scale, 1000 mL, 50 mL Graduation Intervals, Kimble 26505-1000</image:caption>
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  </url>
  <url>
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  </url>
  <url>
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  </url>
  <url>
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      <image:caption>Flask, Pyrex, Erlenmeyer, Graduated, with Phenolic Screw Cap, 500 mL, Corning 4985-500</image:caption>
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  <url>
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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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  <url>
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      <image:caption>Pyrex (Registered) Erlenmeyer Flask, Wide Mouth Borosilicate Glass, with GL45 Screw Cap, 1000 mL, 6/CS, Corning, 4995-1L</image:caption>
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      <image:caption>Pyrex (Registered) Erlenmeyer Flask, Wide Mouth Borosilicate Glass, with GL45 Screw Cap, 2000 mL, 1/CS, Corning, 4995-2L</image:caption>
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  <url>
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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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  <url>
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      <image:caption>Pyrex (Registered) Erlenmeyer Flask, Wide Mouth Borosilicate Glass, with GL45 Screw Cap, 6000 mL, 1/CS, Corning, 4995-6L</image:caption>
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  <url>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Flask, Pyrex, Erlenmeyer, Narrow Mouth, Standard Taper Joint, Graduated, 500 mL, Corning 5000-500</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Pyrex, Erlenmeyer, Narrow Mouth, Standard Taper Joint, Graduated, 500 mL, Corning 5000-500</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Flask, Pyrex, Erlenmeyer, Narrow Mouth, Standard Taper Joint, Graduated, 1000 mL, Corning 5000-1 L</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Custom-Modified 1000 mL Erlenmeyer Flask with 45/50 Ground Glass Standard Taper Joint</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Flask, Pyrex Erlenmeyer, Narrow-Mouth with Standard Taper Stopper, 125 mL, Corning, 5020-125</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Flask, Pyrex Erlenmeyer, Narrow-Mouth with Standard Taper Stopper, 250 mL, Corning, 5020-250</image:title>
      <image:caption>Flask, Pyrex Erlenmeyer, Narrow-Mouth with Standard Taper Stopper, 250 mL, Corning, 5020-250</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Pyrex, Erlenmeyer, 500 mL, with Standard Taper Stopper, Corning, 5020-500</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Filter Flask 2000 mL 1/CS without Tubulation, Heavy Wall K27050</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 500 mL, Corning 65340-500</image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 1000 mL, Corning 65340-1 L</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Flask, PyrexPlus, Filtering, Heavy Wall, Protective Coating, Tubulation, Graduated, 2000 mL, Corning 65340-2 L</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Volumetric Flask, 10 mL, Class B with Yellow Snap Cap, 28010-10</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Flask, Pyrex, Volumetric, Student Grade, Snap Cap, 100 mL, Corning 5581-100</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-67.png?v=1786079793</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-78_6caeae9d-c6e5-403e-9bc7-aea167ae9376.png?v=1786079794</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-81.png?v=1786079795</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6915-86.png?v=1786079797</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-53.png?v=1786079798</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-67.png?v=1786079800</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-77.png?v=1787023856</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-78.png?v=1786079802</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-81_721cafe6-da1a-4c95-9ded-be551b4bb4ba.png?v=1786079804</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6918-86.png?v=1786079805</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-42.png?v=1786079806</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-53.png?v=1786079808</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-67.png?v=1787715068</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 100 mL, Corning 5600-100</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 100 mL, Corning 5600-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-200-ml-corning-5600-200</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-77_9306aeef-36ae-48f1-a2f9-084c02567630.png?v=1786079811</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 200 mL, Corning 5600-200</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 200 mL, Corning 5600-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-250-ml-corning-5600-250</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-78_98d82d8e-ca85-44a5-ade0-1ee5417b7f9e.png?v=1786079812</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 250 mL, Corning 5600-250</image:title>
      <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>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-snap-cap-calibrated-to-contain-graduated-500-ml-corning-5600-500</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-81.png?v=1786079814</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 500 mL, Corning 5600-500</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-86.png?v=1786079815</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 1000 mL, Corning 5600-1 L</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Snap Cap, Calibrated  To Contain, Graduated, 1000 mL, Corning 5600-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-lifetime-red-stripe-snap-cap-pyrex-brand-class-a-2000-ml-corning-5600-2-l</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6921-88_d20d1b90-2e8b-49ae-8581-f72741bc349e.png?v=1786079817</image:loc>
      <image:title>Flask, Volumetric, Lifetime Red Stripe, Snap Cap, Pyrex Brand, Class A, 2000 mL, Corning 5600-2 L</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6923-23_fd45268d-99c6-4b08-bbe5-9ff9a89e6b6a.png?v=1786079818</image:loc>
      <image:title>Polyethylene Snap Cap, No. 5 K28150R</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-28.png?v=1786079819</image:loc>
      <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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-pyrex-hdpe-polyethylene-for-50-ml-flask-corning-7666-50</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-53.png?v=1786079820</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-67.png?v=1786079822</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-77.png?v=1786079824</image:loc>
      <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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/snap-cap-no-250-for-some-250-ml-pyrex-volumetric-flasks-6-cs-corning-7666-250</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-78.png?v=1786079825</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-81.png?v=1786079826</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-86.png?v=1786079827</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6924-88_f428f551-e18d-4a22-b6e8-2d141e312cd7.png?v=1786079829</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6928-04_f4da1d88-ffc7-4d66-b210-798c3d446031.png?v=1786079831</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6942-67.png?v=1786079832</image:loc>
      <image:title>Flask, Volumetric, Class A , Borosilicate Glass with Polyethylene Stopper, 100 mL, K28014P</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-28.png?v=1786079833</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 10 mL, Corning 5642-10</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-100-ml-corning-5642-100</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-200-ml-corning-5642-200</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-77.png?v=1786079837</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 200 mL, Corning 5642-200</image:title>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-250-ml-corning-5642-250</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-78.png?v=1786079839</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 250 mL, Corning 5642-250</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-class-a-polyethylene-stopper-500-ml-corning-5642-500</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-81.png?v=1786079840</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 500 mL, Corning 5642-500</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-86_51958f8b-9e5e-48e6-b393-366e2ad30cdf.png?v=1786079842</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6943-88.png?v=1786079843</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Class A, Polyethylene Stopper, 2000 mL, Corning 5642-2 L</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6955-53.png?v=1786079844</image:loc>
      <image:title>Flask, Volumetric, Class A, with Screw Cap 50 mL, Corning, 5650-50</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6955-67.png?v=1786079846</image:loc>
      <image:title>Flask, Volumetric, Class A, with Screw Cap 100 mL, Corning, 5650-100</image:title>
      <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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-12_e5757388-857a-488b-982a-322cd5178278.png?v=1786079847</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-23.png?v=1786079848</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6965-28.png?v=1786079850</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-12.png?v=1786079851</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-50-ml-kimble-28014-50</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-53.png?v=1786079853</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-100-ml-kimble-28014-100</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-67.png?v=1786079854</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-volumetric-class-a-with-standard-taper-stopper-200-ml-kimble-28014-200</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-6985-77.png?v=1786079855</image:loc>
      <image:title>Flask, Volumetric, Class A, with Standard Taper Stopper, 200 mL, Kimble 28014-200</image:title>
      <image:caption>Flask, Volumetric, Class A, with Standard Taper Stopper, 200 mL, Kimble 28014-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-50-ml-corning-5660-50</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-53_a2b5fd10-c717-4fb6-b859-21b910824787.png?v=1786079856</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-67.png?v=1786079858</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-200-ml-corning-5660-200</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-77_03264a88-a3ed-4f7b-96f5-af4c4d8acfca.png?v=1786079860</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-250-ml-corning-5660-250</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-78_5aff157f-89b0-4efe-9178-2e85e25bdc1b.png?v=1786079861</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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-500-ml-corning-5660-500</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-81.png?v=1786079863</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>
    </image:image>
  </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-86.png?v=1786079864</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>
    </image:image>
  </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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7050-88.png?v=1786079865</image:loc>
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      <image:caption>Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 2000 mL, Corning 5660-2 L</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-volumetric-flask-class-a-with-ptfe-stopper-100-ml-12-cs-corning-5644-100</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7056-03.png?v=1786079866</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7056-06.png?v=1786079868</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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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>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-50-ml-corning-5680-50</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-53.png?v=1786079871</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-67.png?v=1786079872</image:loc>
      <image:title>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 100 mL, Corning 5680-100.</image:title>
      <image:caption>Flask, Pyrex, Volumetric, Corning Certified, Class A, with Stopper, 100 mL, Corning 5680-100.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/flask-pyrex-volumetric-corning-certified-class-a-with-stopper-200-ml-corning-5680-200</loc>
    <lastmod>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-77.png?v=1786079874</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-78.png?v=1786079875</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/12-7065-81.png?v=1786079876</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>2026-08-26T18:57:38-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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      <image:caption>Pyrex (Registered) Phosphoric Acid Volumetric Flask, Wide Neck, Class B, 250 mL, 12/CS, Corning, 5840-250</image:caption>
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  <url>
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  <url>
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      <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>
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  <url>
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      <image:title>Benchtop Dewar Flasks 4 L, 2/CS, Thermo Scientific, 4150-4000</image:title>
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  <url>
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    <image:image>
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      <image:title>Benchtop Dewar Flasks 10  L, 1/CS, Thermo Scientific, 4150-9000</image:title>
      <image:caption>Benchtop Dewar Flasks 10  L, 1/CS, Thermo Scientific, 4150-9000</image:caption>
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  <url>
    <loc>https://preiser.com/products/nalgene-forceps-blue-polypropylene-with-scissor-type-handles-6320-0010</loc>
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