Product Name: 4" 8" water treatment purifier part 4040 ro ss membrane housing • Material: 304/316 Stainless steel • Material of end cap: ABS;SUS304;SUS316L • Max working pressure: 250Psi • Polished or brushing external surface Working Principle of membrane housing Stainless steel membrane housing is an essential part of the reverse osmosis device. Its length matches the number of RO membrane, producto's inside and outside are polished, beautiful and practical, working pressure reaches the RO system operation requirements. Technical Parameters of membrane housing Material of membrane housing/Body material: Seamless/Seamed Connected type: TC-Clamp type/ Frange type/ Build-in type Material of end cap: ABS,stainless steel Water feed-type: End-in port/ Side-in port