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 under sink installation. This carbon block filtration reduces parasitic cyst, sediment, chlorine taste and odors. System comes complete with filtration system and all parts and tubing required for a standard installation.