Reduces sediment, chlorine, arsenic, TDS, lead, copper, barium, fluoride, cadmium, Chromium 6, selenium, and other contaminants. For chlorinated or periodically chlorinated water. High production 25 GPD TFC membrane (Thin Film Composite). Top quality pre-filters include 5 micron polyspun sediment, 5 micron carbon block and post carbon filters. Chrome faucet meets State of California requirements. Housing wrench included for easy filter removal.