Watts Regulator Co.
The RO-5M one-piece manifold under sink reverse osmosis system provides a seamless water path by eliminating 17 of the fittings and connections required by most standard RO systems. It has five stages of filtration and reduces arsenic, lead, copper, fluoride and radium, among other chemicals. It is NSF Standard 58 tested and certified and comes with an air gap faucet.