Watts 1R-1Y-1B Kwik-Change WQC4RO11 Annual Replacement Filter Kit for 11 50 GPD System - Not for Premier
3 pack annual ultrafiltration filter pack - all the filters you need for one full year  (1) 11" - 5 micron sediment filters (replace every 6 mos.) - p/n: WQCSC11 (1) 11" - 5 micron carbon block filters (replace every 6 mos.) - p/n: WQCCC11 (1) 11" - GAC granular activated carbon for post filtration (replace once a year) - p/n: WQCGAC11
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IPW Industries Inc
{"Product Dimensions": "2 x 6 x 12 inches", "Item Weight": "2.22 pounds", "Item model number": "WQC4RO11", "Date First Available": "September 12, 2019"}