Rubber Filter Aid

Cambridge Environmental Products, Inc. Verified independent store

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Rubber Filter Aid Rubber filter aid, designed to support and seal a filter curcible or funnel in the neck of a filter flask. Can also seal in place a buchner funnel.The bottom of t he disc is flat so that it seals tightly against the lip of the flask. Inside diameter of the socket at top: 32mm Outside diameter of the disc: 76mm Show more