Manufacturer's Laboratory Büchner Funnel Holder with 9*1 Rubber Suction Filter Pad, Seal Plug, Filtration Bowl, and Funnel Ring

A complete set of rubber stoppers consists of 9 different diameters, convenient for use with various-sized utensils. Particularly suitable for sealing Büchner funnels and suction filtration bottles, one set is almost compatible with all specifications of Büchner funnels. Free shipping in Jiangsu, Zhejiang, and Shanghai; other regions to be negotiated.