Maax Spas of AZ hot tub filters
The Unicel 2026 Replacement Guide lists 4 of the cartridges on this site for Maax Spas of AZ. 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 | Maax Spas of AZ OEM # | Source |
|---|---|---|---|---|---|
| PCS50N / C-8450 / FC-3310 | 8" x 9" | 50 | not specified | 100593 | Unicel p.44 |
| PRB50-IN / C-4950 / FC-2390 | 5" x 13-5/16" | 50 | not specified | 100533 | Unicel p.44 |
| PCS75N / C-8475 / FC-3320 | 8" x 13" | 75 | not specified | 100594 | Unicel p.44 |
| PLBS75 / C-5374 / FC-2971 | 5-5/16" x 14-3/4" | 75 | not specified | 107092 | Unicel p.44 |
If your Maax Spas of AZ filter isn't here, it may not be in our checked list yet. We only publish matches we can confirm in a manufacturer catalog.