The FreeFlow Spa filter PA-423 with 1-1/2 inch MPT threaded bottom and closed top fits the FreeFlow Spas CLX model and Dominion Spas B752 and P112. Occasionally hot tub manufacturers may vary the filter size for the same hot tub model. Therefore it’s best to confirm that this filter is the same size as the filter in your FreeFlow CLX or Dominion Spa B752 model before ordering to ensure proper fitment.
Filter details:
- ProAqua P/N: PA-423
- Diameter: 4-15/16"
- Length: 6-5/8"
- Top: Closed
- Bottom: 1-1/2" MPT Thread
- 25 sq.ft.
Fits the following spas:
- FreeFlow Spas CLX series
- Dominion Spas B752
- Dominion Spas P112
Also compatible replacement for:
- Unicel 4CH-23
- FF-100
- Pleatco PFF25TC-P4
- Filbur FC-2400