Campbell #1PS-B1 Sediment Filter Housing is brand New in box. Designed for cold water lines, this heavy duty housing will work with cartridges by American Plumber, Aqua Pure, Omni & many other brands. It comes with a #1SS 5 micron filter cartridge for sediment, but several other styles fit as well and filter wrench. It works great for Residential home water systems, Commercial systems, ice makers, Espresso Latte venders & industry.