Description
Master Spas X268549 PMA-R4 Outer Micro-Filter for H2X & Michael Phelps Swim Spas
The X268549 is the outer micro-filter for the EcoPur Charge system used in Master Spas H2X Trainer and Michael Phelps Signature swim spas. This filter captures debris before water flows through the inner PMA-EPR mineral element, protecting the EcoPur Charge media and maintaining clear water in high-volume swim spa applications.
Specifications
- Diameter: 6.0 inches
- Length: 7.25 inches (9.0″ total)
- Bottom: 1-5/8″ SAE threaded
- Pleatco Code: PMA-R4
Cross-Reference Part Numbers
- Unicel: 6CH-940
- Filbur: FC-0359
- Waterway OEM: 817-0050
Compatibility (2017–2021)
- H2X Swim Spas: Trainer 12, 15, 15 Deep, 18 Deep, 19, 19 Deep
- Michael Phelps: Force, Momentum 80, Signature
Pairs with the X268532 (PMA-EPR) EcoPur Charge inner mineral element. Not compatible with 2025 or newer models.




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