Aquasana AQ-4501.55 Premium Under Counter Water Filter System, Brushed Nickel Voted Consumers Digest Best Buy Performance Certified by Underwriters laboratories and the California Department of Public Health Help prevent thousands of plastic containers from winding up in landfills and further polluting the environment Filters out chlorine, lead, VOCs, MTBE and Cysts 31 gallons a hour of ultra-filtered high quality