Jacuzzi J-210 Replacement Filter
2-person hot tub · 2005–present · 1 filter cartridge
Compatible Filter Cartridges
PRB50-IN / C-4950 / FC-2390
50 sq ft · 5″ OD × 13.3125″ long
| Pleatco | PRB50-IN |
| Unicel | C-4950 |
| Filbur | FC-2390 |
| OEM | Jacuzzi 373045 |
| OEM | Jacuzzi 373045J |
Frequently Asked Questions
What filter cartridge does the Jacuzzi J-210 use?
The Jacuzzi J-210 uses the PRB50-IN filter cartridge (also sold as C-4950). Always check the label inside your filter compartment or owner manual to confirm before ordering.
How many filters does the Jacuzzi J-210 need?
Refer to the model-specific details on this page. Some Jacuzzi models use a single cartridge, while larger models may require two. Check the filter housing in your spa to confirm.
How often should I replace the filter on my Jacuzzi J-210?
Most spa manufacturers recommend replacing filter cartridges every 12–24 months, or sooner if water clarity declines despite regular cleaning. Rinse the cartridge monthly and deep-clean it every 3–4 months.