The Campbell Water Filter Cartridge 10800-032 O-Ring (3 1/2" diameter) Replacement Kit includes three (3) O-Rings, which should be replaced every time the filter cartridge is replaced and fits the following Filter Models:
- BSF10
- CWH-34
- CWHC-34
- SF10
- SF10C
- VIH
- SI4
- CF4
- CF10 SS Filters
