10-Inch Water Filter Housing with 1 in NPT Ports ✔️ 1 in NPT inlet/outlet, high-flow HFPP cap, fits 10 x 4.5 in cartridges This heavy-duty filter housing is designed for home plumbing and high-flow whole-house filtration. It accepts 10" x 4.5" cartridges and uses 1" NPT ports. The HFPP cap with a pressure relief button makes cartridge changes quicker. Brackets and screws are sold separately. ✅ 1 in NPT inlet and outlet ports for standard residential plumbing ✅ High-flow polypropylene (HFPP) cap with pressure relief button for easy cartridge changes ✅ Accepts 10 in x 4.5 in cartridges from major brands (sediment, carbon block, specialty) ✅ Bolt pattern 3 in x 3 in (76.2 mm x 76.2 mm), 4 in center-to-bend spacing ✅ Brackets not included; mounting hardware sold separately ✅ Cartridge sold separately; brackets and screws sold separately ✅ Leak-prevention: hand-tight plus 1/4-1/2 turn ✅ Durable, heavy-duty housing designed for high-flow filtration 💡 What is a 10 inch filter housing used for in home water filtration systems and why choose one for a whole-house setup? This handy unit is built for high-flow, whole-house filtration, delivering clean water to every faucet. - High-flow, 10 x 4.5 inch cartridge compatibility for whole-house filtration - 1 in NPT ports align with most home plumbing - Compatible with sediment, carbon block, and specialty cartridges - Pressure-relief button speeds cartridge changes