DuPont DUPONT-WFHD13001B Universal Heavy Duty House Filtration System Increases clarity of entire home's water by reducing sediment, which extends the life of appliances that process water Includes filter housing, universal 300 heavy duty Series pleated poly cartridge and tank wrench Features one-inch inlets and outlets for greater water flow Reduces sediment like rust and silt particales; 30,000 gallon filter life