KleenWater Premier Whole House Water Filter System with 3/4 Inch Inlet/Outlet, Dirt Sediment Cartridges 4.5 x 9.75 Inch (3), Transparent Housing (1), Bracket (1) & Wrench (1) 3/4 Inch FNPT threaded Inlet/Outlet wit 20 gallon per minute flow rate Transparent housing made of heavy duty safe PET (polyethylene) plastic Three KleenWater 5 micron dirt, rust and sediment filters - Housing accepts any universal 4.5 x 9.75 inch cartridges Equipped with filter wrench, mounting bracket and hardware