The Unicel 4CH-23 hot tub filter with 1-1/2 inch MPT threaded bottom and closed top fits the FreeFlow Spas CLX model and Dominion Spas B752. 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:
- Unicel P/N: 4CH-23
- Diameter: 4-15/16"
- Length: 6-5/8"
- Top: Closed
- Bottom: 1-1/2" MPT Thread
- 25 sq.ft.
- Filter Media: 3oz
- Pleat count: 212
Also compatible replacement for:
- FF-100
- Pleatco PFF25TC-P4
- Filbur FC-2400
Why Unicel Filters?
Unicel has been the nations leading swimming pool and hot tub filter manufacturer for over 45 years. Discerning pool and spa owners always insist on using Unicel brand filters to protect the equipment and for cleaner, clearer water with less work.
