10" HOUSING - A complete set of 10" water filter housings, 1" BSP inlet/outlet, with pressure release button for high flow rate, with plastic wrench and metal holder, the filter cartridges are sold separately STANDARD - Fits all standard 4 1/2" industrial diameter and 10" whole house cartridges HIGH QUALITY - Fits NSF standard, large capacity housing for high flow applications PURE - It installs on the main water supply and produces clean water for your entire home. Enjoy better drinking water at every faucet and appliance throughout the house