Replacement 151121 o-rings (also called gaskets or seals) [3 pack]
Replacement for the following part numbers: Pentek 151121; American Plumber W38-OR , 152031; Ametek 151121; Campbell 10800-034; Culligan OR-38; GE WS03X10001; Hydroviv 3100010080; Watts WP113029, 113029, OR-4
Compatible with Pentek/Pentair 3G Slim Line, Flat Cap Slime Line, Standard Flat Cap, and Counter Top Slim Line Series housings (see description for model numbers), Ace 45335, 45449, 48166, 49562, 4001699, 4158515; American W38-PR, W38-PRA, WLCS-500, WRO-3167; Ametek CSL-CIK, CCF-201, CTR-CMR-10, PSCL-C2, US-560, US-560K, SY-5167, SY-5197; Culligan RVF-10, US-316, US-550; US Filter RO-2127, RO-2300, RO-2300-A, RO-3167; GE GN1S15CBL, GN1S20C, GNSL05CBL, GNSV25CBL, GNSV30CCC, GNSV30CWW, GX1S01C, GX1S04C, GX1S15C, GXRV10ABL, GXSL03C, GXSV10C, PNRV12ZBL01, PNRV12ZWH01
Also compatible with Glacier Bay HDGUSS4, HDG2BS4; Hydroviv Undersink Water Filter, Hydroviv Refrigerator/Ice Maker Water Filter; Watts/Flowmatic 500, 4000, 4200, 7000, RO-TFM-4SV-W50, RO-TFM-5SV-W50; US Filter RO-2127, RO-2300, RO-2300-A, RO-3167
The 151121 o-ring has an inside diameter of 3.36" (about 3-3/8") and thickness of 0.14" (just over 1/8").
