FunnelsPressure Equalizing Separatory Powder Filter Funnels Select options Funnel Filter, Fritted Disc $0.10 Select options Filter Tube, Fritted Disc with 2mm glass stopcocks $0.10 Select options Filter Tube, Fritted Disc $0.10 Select options Filter Funnel Buchner $0.10 Select options Filter Funnel, Buchner, Inner Joint $0.10