... 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 ... :DN.BSP8. can be customerized cartridge filter housing