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Pyrex 9990-75 Brand 9990 ribbed watch glass; 75 mm, case of 12

Pyrex 9990-75 Brand 9990 ribbed watch glass; 75 mm, case of 12
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Pyrex 9990-75 Brand 9990 ribbed watch glass; 75 mm, case of 12

Pyrex | Mfr: 9990-75| Item: 3450821

Ribbed, beaker cover

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Use these PYREX watch glasses to perform evaporations and as a cover for your beakers. Ribs are molded into the glass, permitting reflux of digestate and escape of excess vapor. Meets EPA requirement for methods 3005, 3010, and 3020.

Specifications
  • MaterialGlass
  • Fits Bottle / Beaker Size (mL)250
  • Outside Diameter (OD) (cm)7.5
  • DescriptionBrand 9990 ribbed watch glass; 75 mm, case of 12
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