Our Pro Series 7-stage Reverse Osmosis UV Remineralizer Drinking Water System filters your drinking water using reverse osmosis and UV light to remove harmful bacteria and contaminants. It adds essential minerals back into your water while virtually destroying all illness-causing microorganisms, ensuring you have access to clean and safe drinking water. This Pro Series 7-stage water filtration system is known for its easy installation process and filter replacement. It comes with all the necessary items for installation. The system can easily fit under your kitchen sink, occupying only one corner of the room. 7-Stage Purification Process: 5 Micron Sediment Filter reduces dirt, sand, and rust 10 Micron Carbon Block Filter reduces chlorine, objectionable tastes, and odor 10 Micron Carbon Block Filter reduces chlorine, objectionable tastes, and odor 50 GPD (gallons per day) Membrane high production thin-film composite membrane Carbon Post-Filter enhancing the water’s taste Ultraviolet Water Sterilizer The eco-friendly solution for 99.99% removal of bacteria and viruses Remineralizing Filter Adds valuable minerals back into your drinking water.