Watts (1R-1Y) Kwik-Change WQC4RO11 Bi-Annual Replacement Filter Kit Max Adaptor (65-2001) Brass 3/8" C X 3/8" C X 1/4" FIP (No Adapter) 540" in actual outer diameter

540" in actual outer diameter when measured with a ruler

188" double flat drive

Factory Direct Quality

no corrosion from minerals or treatment chemicals

These carbon impregnated cellulose cartridges replace WaterPur CCI-5-Ca filters used in the CCI-5-CLW12 system

Watts (1R-1Y) Kwik-Change WQC4RO11 Bi-Annual Replacement Filter Kit Max Adaptor (65-2001) Brass 3/8" C X 3/8" C X 1/4" FIP (No Adapter) 540" in actual outer diameterWatts Kwik Change Replacement Filter Kit Watts (1R 1Y) WQC4RO11 Bi Annual Replacement Filter Kit Six month sediment and carbon block replacement set for Watts Kwik Change reverse osmosis and whole house systems Tool Free Quarter Turn Installation Dual O Ring Leak Prevention Automatic Shut Off Valves 6 Month Service Cycle This Watts bi annual replacement kit pairs the WQCSC11 sediment filter (5 micron) with the WQCCC11 carbon block filter (10 micron)