The Unicel 4CH-35 hot tub filter with a handle on the top and 1-½ inch MPT threaded bottom is a compatible replacement for the Hot Springs 31382 filter and the Sundance Spas 6540-486 filter. 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 Hot Springs or Sundance spa model before ordering to ensure proper fitment.
Filter details:
- Unicel P/N: 4CH-35
- Diameter: 4-5/8"
- Length: 16"
- Top: Molded Cone
- Bottom: 1-1/2" MPT Thread
- 35 sq.ft.
- Filter Media: 3oz
- Pleat count: 145
Also compatible replacement for:
- Hot Springs 31382
- Sundance 6540-486
- Pleatco PTL35-4
- Filbur FC-0161
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.
