Unicel C-4321 Replacement Filter Cartridge | 25 Sq. Ft. | Pentair Rainbow Leaf Trap & South Pacific Spas
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Regular price$30.99
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- SKU:
- C-4321
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About This Item
The Unicel C-4321 is a 25 sq. ft. replacement filter cartridge built for Pentair Rainbow leaf trap pre-filters and select South Pacific Spas models. With 106 precision pleats of 3 oz. Reemay 2033 polyester media and a closed top cap with raised ring, this cartridge delivers reliable debris capture and consistent flow in compact filter housings.
Specifications
| Filter Area | 25 sq. ft. |
| Length | 13 5/16" |
| Outer Diameter | 4 15/16" |
| Top Inner Diameter | N/A |
| Bottom Inner Diameter | 2 1/8" |
| Material | 3 oz. Reemay 2033 |
| Pleat Count | 106 |
|
Top Cap: closed w/ raised ring
|
Bottom Cap: open
|
Fits into:
| OEM Brand | Product Name | Part Number | Notes |
| Pentair - Rainbow Plastics | Leaf Trap cartridge | 17-2653 | 17-2653 is the leaf trap assembly number. Replaces the cartridge inside this unit. |
| South Pacific Spas | - | - | Compatible with select models. Verify fit using dimensions above. |
(This is not an exhaustive list.)
Pro Tip: Confirm fit by measuring your existing cartridge — 13 5/16" length, 4 15/16" outer diameter, and 2 1/8" bottom inner diameter. The closed top cap with raised ring seats into the filter housing lid; the open bottom connects to the standpipe or manifold.
Also known as: C4321
