KleenWater Premier Chlorine Whole House Water Filter System, Carbon Block Filters Set of 3, Transparent Housing, 1.5 Inch Inlet/Outlet, Wrench, Mounting Bracket and Hardware Complete system: transparent housing, 3 carbon block filters, wrench, bracket and hardware Filters chlorine, chloramines, sulfur, odor, chemicals, contaminants, pesticides, dirt, sediment KleenWater KW4510CB 4.5 x 9.75 inch carbon block cartridges, set of 3 1.5 Inch FNPT threaded inlet/outlet filter head made of reinforced polypropylene