{"product_id":"flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-200-ml-corning-5660-200","title":"Flask, Pyrex, Volumetric, Lifetime Red, Class A, Standard Taper Stopper, 200 mL, Corning 5660-200","description":"\u003cp\u003eThese 200 mL Class A PYREX® Lifetime Red volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 13 Standard Taper glass stoppers. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks. \u003c\/p\u003e","brand":"Corning","offers":[{"title":"EA (1)","offer_id":51110631833915,"sku":"12-7050-77-EA","price":56.54,"currency_code":"USD","in_stock":true},{"title":"PK (6)","offer_id":51110631866683,"sku":"12-7050-77-PK","price":339.24,"currency_code":"USD","in_stock":true},{"title":"CS (12)","offer_id":51110631899451,"sku":"12-7050-77-CS","price":678.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/12-7050-77_ea6a4ae0-a0c7-4225-8b66-a9af22aaff48.png?v=1785302596","url":"https:\/\/preiser.com\/products\/flask-pyrex-volumetric-lifetime-red-class-a-standard-taper-stopper-200-ml-corning-5660-200","provider":"Preiser Scientific","version":"1.0","type":"link"}