The Unicel 4CH-22 hot tub filter cartridge is commonly used in select FreeFlow Spas models TLX and RLX. 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 spa model before ordering to ensure proper fitment.
Filter details.
- Unicel P/N: 4CH-22
- Diameter: 4-15/16"
- Length: 6-5/8"
- Top: 2-1/8" Open
- Bottom: 1-1/2" MPT (Fine thread)
- 25 sq. ft.
- Filter Media: 3oz
- Pleat count: 212
Also compatible replacement for:
- Pleatco PFF25P4
- Filbur FC-2399
- Master Deluxe M40257
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.
