PYREX™ Ribbed Watch Glasses Available on GSA/VA Contract for Federal Government customers only.

Manufacturer: Corning, Inc. 9990100

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Catalog No. 02-613B

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    Diameter (English) 3.93 in.
    Diameter (Metric) 10cm
    Material Pyrex™
    Certifications/Compliance U.S. EPA
    Disposable No
    Finish Rib
    For Use With (Application) Used as beaker covers, permits escape of excess vapor and eliminates risk of contamination from dropped hooks or props
    For Use With (Equipment) For 600mL beaker

    • Also act as beaker covers
    • Ribs are molded in so they can't pop off
    • No need to make or find hooks to raise the watch glass
    • Ribbed design permits reflux of digestate and escape of excess vapor, thus preventing vapor buildup
    • Ribs also prevent watch glasses from sticking together when wet

  • Description & Specifications

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