Inlet/Outlet adapter: type 316 stainless steel 3.8 cm (1.5 in.) sanitary to 3/4 in.-14 FNPT Inlet/Outlet adapter: type 316 stainless steel 3.8 cm (1.5 in.) sanitary to 3/4 in.-14 FNPT For 142 and 293 mm Stainless Steel Disc Filter Holders (11872 and 1