Culligan US-3 Ultra Filtration Under-Sink Drinking Water System. This 3-stage filtration system effectively reduces bacteria, viruses, chlorine, taste, odor, lead, lindane, atrazine, and cysts, providing clean, safe drinking water. It features a filter life indicator, floor leak sensor with alarm, chrome faucet, easy quick connect installation, and convenient 3-in-1 cartridge replacement. With a flow rate of .75 GPM, it delivers a steady stream of filtered water. Enjoy peace of mind with its 1-year limited warranty.