Description
Description
Watch Glass, 75mm, Ribbed, Fits Beaker Capacity: 250mL. Designed for use as a beaker cover. Ribs are molded into the glass so that they can’t pop off as they do when cane is sealed to standard watch glasses. Permits reflux of digestate and escape of excess vapor. Eliminates risk of contamination from dropped hooks or props. Meets EPA requirements for methods 3005, 3010, and 3020. Made in Germany.
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