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Rubber Filter Aid - a molded rubber ring that serves as an adapter to fit a Büchner funnel to a filtering flask. The hole that accepts the Büchner funnel is tapered, so one size fits most. O.D. of ring is 76 mm. I.D. of funnel hole is 32 mm at widest part, tapering to 21 mm.
$5.49 each
Buchner Funnels & Filter Paper Discs
Filter Flasks
Vacuum Pumps
These items are usually in stock in the sizes listed, but please contact us to make sure we have enough on hand to fill quantity orders.
Minimum Credit Card order is $20.00
Filter Flasks
Glassware
Stoppers
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