Watts 1R-1Y-1B Kwik-Change WQC4RO11 Annual Replacement Filter Kit for 11" 50 GPD System - Not for Watts Premier pH2873 or discolored to maintain UV

or discolored to maintain UV transmission

🔧 Pro Tip: When replacing the backwash assembly

Buna-N O-ring ensures watertight seal at connections

improving both chloramine and chlorine reduction capacity

The reinforced polypropylene construction provides excellent chemical resistance across a wide pH range

Watts 1R-1Y-1B Kwik-Change WQC4RO11 Annual Replacement Filter Kit for 11" 50 GPD System - Not for Watts Premier pH2873 or discolored to maintain UVThe Watts 1R 1Y 1B Kwik Change WQC4RO11 Annual Replacement Filter Kit delivers a complete three stage pre filtration refresh for your 11 inch 50 GPD reverse osmosis system with proprietary quarter turn cartridges. This kit includes one sediment filter (WQCSC11), one carbon block filter (WQCCC11), and one granulated activated carbon filter (WQCGAC11) to restore chlorine reduction, taste and odor control, and sediment removal for another year of clean