MewMore WHB20 20″x4.5″ Whole House Water Filter Housing (Blue). Superior Sealing: Features a pressure relief button, 1-inch inlet, brass thread port, and double O-ring for leak-proof performance and durability. Note: Avoid excessive Teflon tape during installation for best results?? . Quality & Safety: Constructed from high-flow reinforced polypropylene, this filter housing is corrosion-resistant, food-grade, lead-free, and BPA-free. Ensures a safe and healthy water filtration experience?? . Easy Installation: Includes all necessary tools: a heavy-duty steel mounting bracket, wrench, and screws. The pressure relief button on the cap makes cartridge changes simple and hassle-free??? . DIY Friendly: Allows for parallel mounting of multiple units for enhanced filtration. Compatible Cartridges: Fits all standard 4.5″ x 20″ filter cartridges for versatile use?? . Inlet / Outlet: 1 NPT Brass Port. Max Flow Rate: 20 Gallons Per Minute. Applicable Water Quality: Municipal Tap Water and Well Water. Housing Material: Food Grade Polypropylene. Compatible Filter Dimensions: 20″ x 4.5″. Working Water Pressure Range: 20 – 90 Psi. Applicable Water Temperature: 41-100? (5 – 38?). PH Range: 6 – 11. Pressure Relief Button: Included. 1 x 20″ x 4.5″ Water Filter Housing (Blue). 1 x Heavy Duty Steel Mounting Bracket. 1 x Quick Guide. Upgrade your water filtration system with the MewMore WHB20 for reliable, high-quality performance!