... :SUS304/316 1. cartrige filter housing material : Stainless steel 2. length :10 '', 20' 1. the cartridge filter housing material ... : SS304,SS316,SS316L2. suitble filter cartridge:1piece,2 pieces,3peices, ... 5ieces,7pieces,11pieces,13pieces,15pieces3.Length of micron cartridge filter : 10inch, 20inch, 30inch,40inch4.seal material ...