Reduces chlorine style and odor, sediment and rust for cleaner, fresher water and ice. Capacity is 200 gallons (757 liters) The disposable filter out cartridge will have to get replaced each and every 6 months on the rate capacity, or sooner if a noticeable reduction in float rate happens Tested and authorized by NSF International Filters Lead, Mercury, Cyst, and compounds like Asbestos, Atrazine, Benzene Refer to Data Sheet for complete main points on contaminate reduction