... 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: PTFE5. ... 001-100u7.connection type:DN.BSP8. can be customerized cartridge filter housing