... ,alkali-resisting etc. 3.ISO9000 Materials: 302,304, 321, 304L, 316, 316L stainless steel wire, or galvanized steel wire .O.D: 1 inch, 3inch, ... /female coupling.Standard length: 1m-5.85mMaterials: 304, 302, 304L, 316, 316L stainless steel wire, or galvanized steel wire .O.D: 1 inch, 3inch, ... threaded male/female coupling.Standard length: 1m-5.85m Welded stainless steel slot pipe,water filter cartridge