6 stage under counter reverse osmosis system with tank, faucet and pump. It has 3 pre-filters (polypropylene 1 µm, coconut shell activated carbon, final stage block activated carbon), reverse osmosis membrane 50gpd, filter to improve the taste and smell of water and a filter to add the necessary trace elements for the human body. Removes rust, sand, soil, pesticides, 99% chlorine and organic compounds. The reverse osmosis membrane removes contaminants that may be present in your water such as lead, barium, chromium, mercury, sodium, cadmium, fluoride, nitrite, nitrate and selenium.