Code: XFK364-10
A neoprene rubber disc with a tapered raised boss and central hole which accepts the stem of a Buchner or similar filter funnel.
per Each
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A neoprene rubber disc with a tapered raised boss and central hole which accepts the stem of a Buchner or similar filter funnel. The disc seals when placed over the neck of a filter flask and vacuum is applied. Ring disc diameter 75mm.