The Watts WQCSC11 Kwik-Change Replacement Sediment Prefilter is a 1/4 turn quick change replacement filter for the WQC4RO11 RO system and the WQCFU-T-11 Ultrafiltration system. Changing the filter is quick and easy requiring no tools. We have filter packs available as well, which are an excellent value if you need to change all of your filters at the same time.

Twist to remove.