Culligan US-EZ-3 EZ-Change Undersink Drinking Water Filtration System with Dedicated Faucet, Advanced 500 Gallon Filter IncludedUndersink water filtration system that includes a dedicated faucet that can be installed in most sinks providing cleaner filtered water for cooking or drinking EZ change replacement filter cartridge with quick connect fittings, just twist on and twist off The included RC EZ 3 filter cartridge reduces: particulates class I, chloride, cyst, turbidity and lindane, atrazine, lead and removes bad taste and odor from water The included RC EZ 3 filter