Most people never even think about replacing the O-Rings in their water filtration system... until they're using a shop vac to suck 7 inches of water out of their basement. Funny how that works huh? The truth is that O-Rings don't last forever and you just never know when they're going to fail, so spend a few bucks today and save yourself BIG money tomorrow!. Compatible with the following: GN1S15CBL GN1S20C GNSL05CBL GNSV25CBL GNSV30CCC GNSV30CWW GX1S01C GX1S04C GX1S15C GXRV10ABL GXSL03C GXSV10C GXWH04F GXWH08C GXWH20F PNRV12ZBL01 PNRV12ZWH01 ws03x10001
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