7100642 - Single Stage High Capacity Carbon Filtration SystemSingle Stage High Capacity Carbon Filtration System This superior carbon filtration system, model PWDWHCUC1, connects to the cold side of an existing kitchen tap. It provides superior filtration for all the cold water to the faucet. The one year or 10,000 gallon filtration capacity is five times the capacity of other competitive filter systems. It features a high flow 0. 5 micron carbon block filter, sanitary quarter turn filter change out and simple