Aquaboon Whole House Water Filter Housing | 20X4.5 Water Filter, Bracket 1"Npt ?[HIGH QUALITY] Water filter house system is a large capacity housing suitable for high-flow and heavy-sediment applications. The opaque sump is strong and resistant to chemicals as it is made of polypropylene. The black cap is made of high-flow polypropylene (HFPP) for stiffness. Whole house is not a single place to use it. The item is appropriate for well water, commercial and industrial filtration. ?[SAFETY AND EASE OF USE] The product is designed to provide security and ease of use. The water will not get outside the system due to a Double O-ring it has. Filter cartridges can be changed with the help of the pressure release button you can find on the inlet side of the cap. 1 whole house water filter housing fits standard and has a long lifetime. ?[HOUSING] The housing accepts 20? x 4. 5? water filter cartridges (sold separately). Besides, you can choose 20'' ones of other brand names like Geekpure, iSpring, Ronaqua, Hydronix, Pentek. ?[COMPATIBLE SYSTEMS] SimPure RSWHB002Z_S8, OKSLO KTTR7942, Pentek 1" BB NPT, BBFS-222, 150070, HFPP-1-PR20, HFPP-34-PR-203, 150069, 158129, iSpring HB28BX2, WGB12B, Max Water B078FPN68M, H2O Splash WHBB20T1BL, Ronaqua LEPAC10541, H-H201BBE, Hydronix HX-HF45-20BLBK10, Water Filters Depot (WFD) H-20BB-1PR. ?[COMPATIBLE FILTERS] Pentek DGD-5005-20, S1, RFC20-BB, 84634, Watts FM-BB-20-20, Dupont HDC3001, NCP-20BB, DGD-2501-20, S1-20BB, Hydronix CB-45-2005, Harmsco HB-20-5W, Ametek CP5-BB, S1-BB, SDC-45-2005, ECP1-20BB, FreshWaterSystems PS-45097-05, Cuno CFS210-2, Flow-Max FM-BB-10-5, AquaPure AP810-2, WB-HB-20-5W, Ace Hardware 4021341, ECP5-20BB, ECP20-20BB, iSpring FP120x25, Heritage Parts TMP5618907, SPC-45-2020, HB-20-20W, WPX100BB20P, 84647.