... Big range usage 3. Against corrosion HRB 5A Water filter housing, faucet filter Material 304L/316L body, stainless steel head/brass ... headStandard NPT/ BSP/BSPT thread Filter Size 5,10,20,30.40 inch Inlet/outlet ... 1/2, 3/4, 1 inch Filter Cartridge Double open end cartridges of any kind according ... and medical industrial HRB 5D Stainless steel water filter housing, household ...