Spa brand
Nordic filter cartridges
3 rich cartridge records compiled from 1 matching source brand entry.
Model and OEM part cross-reference
Model wording is retained from the source. Match the OEM number where present, then verify cartridge dimensions.
| Model | OEM part | Unicel | Pleatco / Filbur | Verification |
|---|---|---|---|---|
| Nordic Hot Tubs | — | 4CH-935 | PWW35LFC-0170 | cross-checked against 2 sources |
| Sonfarrel 25-220122 | — | C-4301 | PMT27.5FC-1616 | cross-checked against 2 sources |
| Nordic Hot Tubs | — | C-4301 | PMT27.5FC-1616 | cross-checked against 2 sources |
| Rainbow Dynamic 25 | — | C-4326 | PRB25-INFC-2375 | cross-checked against 3 sources |
| Nordic Hot Tubs | — | C-4326 | PRB25-INFC-2375 | cross-checked against 3 sources |
Spa model names can span multiple model years. Measure before ordering or use the cartridge lookup.