Watts 1R-1Y-1B Kwik-Change WQC4RO11 Annual Replacement Filter Kit for 11" 50 GPD System - Not for Watts Premier Omnipure (E5605) 12"x2.5" Diameter E-Series Sediment 5 Micron 💧 The C-600P's cartridge valve

💧 The C-600P's cartridge valve head is a field-replaceable assembly

10 micron carbon block with phosphate scale inhibitor for clean

Sediment Pre-Filtration

Keep the old piston as a reference during installation to ensure correct orientation

Watts 1R-1Y-1B Kwik-Change WQC4RO11 Annual Replacement Filter Kit for 11" 50 GPD System - Not for Watts Premier Omnipure (E5605) 12"x2.5" Diameter E-Series Sediment 5 Micron 💧 The C-600P's cartridge valveThe 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