... 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, 30inch,40inch;4.Seal material ...