Tap Master Tmafc Artesian Full Contact Reverse Osmosis Under Counter Water Filtration System, WhitePurity You Need with the Minerals You Want - restores natural calcium and magnesium minerals removed during the reverse osmosis process to produce clean, pure Mineral Water on TapExceptional Purification - removes up to 98-percent of chemicals, heavy metals, sediment, and other contaminants then adds good mineralsFilter element and the filter housing are all-in-one modular assembly for quick and easy annual changes - No wrenches necessaryAdvanced long lasting filters - 2,500-Gallon or 1 year between filter changesIncluded Fast Flow RO Kit - Double the flow from your faucet fills your cup twice as fast as standard RO systems