1. cartrige filter housing material : Stainless steel 304/316; 2. length :10 '', 20'', 30'', 40'' 3. can be customerized 1. The cartridge filter housing material : stainless steel 304,SS316,SS316L;2. Stainless steel single cartridge filter housing suitble filter cartridge:1piece,2 pieces,3peices, 5ieces,7pieces,11pieces,13pieces,15pieces;3.Length of micron cartridge filter : 10inch, 20inch, ...