Moen S5500 Water Filtration System for Moen Sip Filtered Kitchen and Bathroom Faucets with Filter Included Under-the-sink water filtration system with solid carbon block filter included Compatible with S5510, S5520, and S5530 series of Moen beverage sip faucets Improves taste and reduces odor and contaminants of tap water Includes adapters to connect to a primary faucet Battery for electronic filter life indicator included