Skip to Main Content


Single Stage High Capacity Carbon Filtration System

This Watts Pure Water PWDWHCUC1 superior carbon filtration system connects to the cold side of your existing kitchen tap. It provides superior filtration for all the cold water to your 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. Installation is simple, only requiring standard household tools (requires Phillips head screwdriver and an adjustable wrench).


  • Quick and easy to install
  • One year or 10,000 gallon filtration capacity
  • High-capacity carbon filtration system for residential drinking water
  • Includes filtration, parts, and tubing for a standard installation

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific PWDWHCUC1