Compatible with 17374
Filter cartridgeRO membrane
Cross-referenced: our product is listed as compatible with this number

CFS Reverse Osmosis Membrane – 1 Pack – Fits Rainsoft 21176
Fits RainSoft
Filter Finder
Type the model or part number printed on your filter, purifier, housing or O-ring. Dashes and spaces don’t matter. For O-rings you can also type an AS568 size (214, AS568-214) or the inside diameter x thickness (0.984 x 0.139 in, 25 x 3.5 mm).
Filter cartridgeRO membrane
Cross-referenced: our product is listed as compatible with this number

Fits RainSoft
Filter cartridgeRO membrane
Cross-referenced: our product is listed as compatible with this number

Filter cartridgeRO membrane
Cross-referenced: our product is listed as compatible with this number

Fits RainSoft
Size catalog: standard AS568 sizes we can supply. A size match is not a fit claim for your equipment. Some sizes ship from stock; others have a 2-3 business day lead time before they ship. Not for oxygen, medical, aviation, scuba or other safety-critical use.
| Inside diameter | 8.487 in (215.57 mm) |
|---|---|
| Cross section | 0.103 in (2.62 mm) |
| Outside diameter | 8.693 in (220.81 mm) |
Not sure? Send us your model number and we will confirm the fit.