With over 18 years of constant research and development H2o International in Phoenix has developed the most progressive water filtration and hard water treatment devices available today. Distributed by One Water Systems in California, the tanks have 3 certified and tested medias to remove or reduce most contaminants and V.O.C.s as well as reduce any bacteria that often occurs in water.Water has always been the priority for any planned development and as demand grows so does the need for healthier H2o. Gone are the times for polluting chemicals or wasted containers. Enjoy the benefits and satisfaction of drinking/bathing from every faucet in your home.*The One Water Systems promise is to be maintenance free and offer free annual quality inspections. - See more at: http://www.onewatersystems.com/about-water-company-san-diego/#sthash.CBmazH8C.dpuf