מבחנות - Tubes
PYREX Ribbed Watch Glass/Beaker Cover
(Corning - קורנינג)
- 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.
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