Premium Construction Crafted with premium quality to meet NSF standards, reinforced polypropylene housing ensures strength and chemical resistance to provide you with safe and healthy filtered water. Simple Installation The housing comes complete with all necessary tools for installation, including a wrench, heavy-duty steel mounting bracket, and screws. It features a standard 3/4" NPT inlet and outlet, fitting most water lines. (Filter element and push connector need to be purchased separately.) Air Release Valve Equip with pressure release button for high pressure. Double O Ring Better sealing to prevent water leakage. 3/4" NPT Brass Port 3/4" NPT water inlet and outlet ensure high water flow. Transparent Housing Filter can be clearly seen, more convenient to know the state of the filter. PP Filter High-efficiency Filtration This 5-micron PP sediment filter for city and well water can capture a wide range of impurities, including dirt, sand, silt, dust, rust, and scale particles, ensuring you can enjoy clean water. Premium Quality Material Our PP sediment filter is the 1st stage filter for whole house water filtration. It is made of pure polypropylene and composed of 3-stage density filtration, which is highly resistant to corrosion and chemicals. CTO Filter High-efficiency Filtration The 5-micron CTO filter can absorb up to 98% of residual chlorine, remove taste and odor, prevent water discoloration, and significantly improve water quality. Use this whole house CTO filter and PP sediment filter in your home water system to protect your water softener and appliances. Premium Quality Material Our CTO(Chlorine, Taste, and Odor) filter is made of pure coconut shell activated carbon block, wrapped in two food-grade non-woven fabric layers to prevent carbon particles from entering the water. Tested by independent third-party to meet NSF Standards for material safety. 20" Clear Housing 20" Clear Housing+1 Pack PP Filter 20" Clear Housing+1 Pack CTO Filter 4 Packs 10" PP Filter 4 Packs 20" CTO Filter Inlet / Outlet: 3/4" NPT Brass Port 3/4" NPT Brass Port 3/4" NPT Brass Port 20" x 4.5" 20" x 4.5" Filter Included - 1-Pack 1-Pack 4-Pack 4-Pack Compatible Fit all 20" x 4.5" filters Fit all 20" x 4.5" filters Fit all 20" x 4.5" filters Fit all 20" x 4.5" housings Fit all 20" x 4.5" housings Working Water Pressure 15-145 PSI Applicable Water Temp. 41-104 ℉