Description
The Unicel 8CH-66 is a 60 sq. ft. replacement filter cartridge engineered for Master Spas filtration systems. Built with 222-pleat 3 oz. Reemay 2033 polyester media and a threaded 2″ MPT bottom fitting, this cartridge delivers precise dimensional fit and consistent filtration performance for your spa.
Specifications
| Filter Area | 60 sq. ft. |
| Length | 9 1/4″ |
| Outer Diameter | 8″ |
| Material | 3 oz. Reemay 2033 |
| Pleat Count | 222 |
| Top Cap: semi-circular handle | Bottom Cap: 2″ male thread/MPT |
IMPORTANT: Verify Your Master Spas Filter Configuration
Some Master Spas models use this 60 sq. ft. threaded cartridge as a standalone filter; others pair it with a secondary EcoPur Charge mineral filter (OEM: PMA-EPR). Check your spa’s owner’s manual or parts diagram to confirm the full filter configuration required for your specific model before ordering.
Fits into:
| OEM Brand | Replaces Part | Notes |
| Master Spas | PMA60-F2M | 60 sq. ft. top-load filter |
(This is not an exhaustive list.)
