The Groen 171903 Reverse Osmosis System is a high-performance water filtration solution designed to deliver up to 350 gallons per day (GPD) of purified water. This system features advanced reverse osmosis (RO) technology, ensuring the removal of impurities while enhancing water quality through mineral addition. It includes a 16-gallon storage tank, two pre-filters for optimal filtration, a mineral addition cartridge to enrich the water, and a high-efficiency RO membrane. The package also comes with an air gap kit, a booster pump for improved water pressure, and a pressure regulator, making it compatible with HY-6 and HY-10 models. Enjoy clean, great-tasting water with the Groen 171903 system, perfect for both home and commercial use.