Coast Mountain Spas (Canada) hot tub filters
The Unicel 2026 Replacement Guide lists 3 of the cartridges on this site for Coast Mountain Spas (Canada). Many tubs use only one of these, so measure your old filter or check the number printed on its end cap.
| Cartridge (Pleatco / Unicel / Filbur) | Diameter × length | Sq ft | Models | Coast Mountain Spas (Canada) OEM # | Source |
|---|---|---|---|---|---|
| PRB25-IN / C-4326 / FC-2375 | 5" x 13-5/16" | 25 | not specified | not listed | Unicel p.31 |
| PRB35-IN / C-4335 / FC-2385 | 5" x 9-1/4" | 35 | not specified | not listed | Unicel p.31 |
| PRB50-IN / C-4950 / FC-2390 | 5" x 13-5/16" | 50 | not specified | not listed | Unicel p.31 |
If your Coast Mountain Spas (Canada) filter isn't here, it may not be in our checked list yet. We only publish matches we can confirm in a manufacturer catalog.