1.10 inch water filter housing 2.380psi pressure resistance 3.in/out 1/4"-1. ... 5" 4.white 5.doule o ring Reverse Osmosis Water Filter Housing MODEL NO. GY-PF-PPH001Quantity of 20/40/40HQ650ctn ... products include water purifiers, water softeners, water treatment equipment and RO parts, like pumps, membranes, filter cartridges, faucets, filter housings and others water filter cartridge housing