Reverse osmosis is one of the most cost effective and efficient ways to remove the majority of all contaminants from your water. Ideal H2O? Catalytic Reverse Osmosis Water Filtration Systems produce up to 200 gallons per day of ultra-pure, low parts per million (PPM) water. These 3 Stage RO systems remove up to 98% of chlorine, 80% of chloramine, and 90% of sediment, silt and rust. The Ideal H2O Catalytic RO Systems include a high quality poly spun sediment pre-filter and an advanced catalytic carbon pre-filter. The advanced catalytic carbon pre-filter has 400% more capacity for chlorine and chloramine reduction than standard GAC filters. Ideal H2O? RO Systems come with a 1:1 clean water to waste water ratio. This drastically reduces waste water by 50% over other systems in the market. Includes incoming PSI gauge. Proudly assembled in the U.S.A.