Detailed Product Description Technical data of cartridge filter housings as the bellowing:Housing body material:ss304,ss316,ss316LSuitable filter cartridges: 1piece ,2piece,3piece,5piece,7piece,9piece,11piece,13piece,15piece Length of cartridges:10inch,20inch,30inch,40inch Seal material: PTFE Operating press(Bar) :10 Flow rate:0.001-100U Connection type: DN. BSP