Watts Kwik-Change 11″ GAC Post-Filter Replacement Cartridge (Blue)



  (1) 11" Kwik-Change GAC Post-Filter

The Watts WQCGAC11 Kwik-Change GAC Carbon Postfilter is a 1/4 turn quick change replacement filter for the WQC4RO11-50 RO system. Changing the filter is quick and easy, requiring no tools. It is recommended that you replace this filter every 12 months.


  • 11" Replacement Cartridge
  • Granulated Activated Carbon filters (GAC) effectively reduce chlorine, taste and odor problems with your water

Easy Cartridge Replacement

Watts Replacement Cartridges Guide

Additional information

Weight 1 lbs
Cartridge Size