Feel confident with every sip that you are providing the best quality water for you and your family. The Aquifer® reverse osmosis (RO) water filtration system effectively reduces contaminants including arsenic, fluoride, TDS, bacteria, virus, lead, mercury, chlorine, and pharmaceuticals in your cold water. Install your Aquifer® reverse osmosis filtration system with a KOHLER® reverse osmosis-compatible Wellspring® beverage faucet, available in five finishes and Traditional or Contemporary styles. Features - Four-stage filtration system reduces contaminants such as arsenic, fluoride, bacteria, virus, lead, mercury, chlorine, chloramine, select pharmaceuticals, and more- Reduces over 95% of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in drinking water- 1:1 ratio high-recovery reverse osmosis membrane creating less waste water- Provides up to 27.5 gallons per day, or the equivalent of over 200 16.9-oz. bottles of water (results may vary based on water pressure, temperature and incoming water quality)- 0.5 gpm (1.9 l/min) maximum flow rate at 60 psi (4.1 bar).- 3.2 gallon storage tank- Filter head automatically turns off the water supply when cartridge is removed- Requires Kohler RO-compatible beverage faucet with air gap- Includes four filter cartridges (K-22156, K-22157, K-22158, K-23334) Material - High-impact plastic construction Installation - For cold water use only- Under-sink- Quarter-turn twist cartridge for easy installation and replacement Specification & Views IMGISO | SpecPDFFileName | InteractiveSVG | InstallationWithoutSPPDF |