In-line filter holder with venting valve, type KS 47, 304 or 316 stainless steel, PTFE gasket, FPM and silicon O-rings, inlet and outlet 1/4" NPTM to 9.5mm barb - Lab Club
United Scientific Vacuum Filter Holder Set, 47 mm (Stainless Steel Support | Fisher Scientific
Filter Holder, 47 mm, stainless steel | XX4404700
All-Glass Filter Holder (47 mm, 90 mm) - Filter Holders and Accessories
Polycarbonate in-Line Filter Holder for 47 mm Filter Disc, Non-Sterile, 3.4 bar Maximum Operating
Pall 72971 Spare Parts and Accessories, 47 mm in-Line Filter Holder - Underdrain disc, Type 316 Stainless Steel for Sterile Filtration and Clarification, DISC ONLY (Picture as Reference) (1/pkg): Amazon.com: Industrial & Scientific