Watts Kwik-Change 13″ 100 GPD RO Membrane Replacement Cartridge (Green)


  (1) 13" Kwik-Change 100 GPD Membrane
  If you purchased your system from Costco, the filters you need are the 11" Kwik Change Filters.

The Watts WQCM13-100 Kwik-Change RO Membrane is a 1/4 turn quick change replacement filter for the WQC4RO13 reverse osmosis system. Changing the filter is quick and easy, requiring no tools. It is recommended that you replace this membrane every 24 months.


  • 13" Replacement Membrane
  • This reverse osmosis filter membrane filters out particles down to .0001 microns!
  • Removes or reduces salts, minerals, metals, cysts, and more.

Easy Cartridge Replacement

Watts Replacement Cartridges Guide

Additional information

Cartridge Size

Gallons Per Day