Extends life of washing machines, water heater and other household appliances, Reduces dirt, sand, silt, rust and scale particles, Durable opaque housing style 3/4" inlet/outlet for installation on 1/2" or 3/4" main cold water line, Extends life of washing machines, hot water heaters, and other water-using household appliances, Quick and easy to install, Durable opaque housing, 3/4-inch inlet/outlet for installation on main cold water line, 5-year limited warranty