Jacuzzi Premium hot tub filters
The Unicel 2026 Replacement Guide lists 4 of the cartridges on this site for Jacuzzi Premium. 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 | Jacuzzi Premium OEM # | Source |
|---|---|---|---|---|---|
| PRB25-IN / C-4326 / FC-2375 | 5" x 13-5/16" | 25 | J200 Series | 373045 | Unicel p.42 |
| PTL47W-P4 / 6CH-47 / FC-0315 | 6" x 8-1/2" | 47 | not specified | not listed | Unicel p.42 |
| PRB50-IN / C-4950 / FC-2390 | 5" x 13-5/16" | 50 | J200 Series | 373045 | Unicel p.42 |
| PJW60TL-F2S / 6CH-960 / FC-2800 | 6-5/8" x 14-7/8" | 60 | J400 Series, J300 Series | 6540-164, 6541-383 | Unicel p.42 |
If your Jacuzzi Premium filter isn't here, it may not be in our checked list yet. We only publish matches we can confirm in a manufacturer catalog.