Listing we opened and checked. Match the diameter, length and both fittings on this page before you order. The price is on Amazon; we do not print one.
3301-2242 spa filter equivalents
Part number 3301-2242 appears in 1 cross-reference row below. Each row lists the OEM, Unicel and Pleatco numbers that the source documents treat as interchangeable, plus the cartridge size so you can confirm against your old filter.
The same numbers, on one page, are in the cross-reference lookup. A schedule for this part number, and the buy link, are on the replacement schedule and reorder page. Published intervals by brand are in the replace and clean calculator.
Coleman Spas C-4326 cartridge (OEM 100586), 4-15/16" (125 mm) × 13-5/16" (338 mm), 25 sq ft. Unicel C-4326, Pleatco PRB25-IN.
Unicel C-4326
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| OEM | 100586 |
|---|---|
| Unicel | C-4326 |
| Pleatco | PRB25-IN |
| Filbur | FC-2375 |
| Size | 4-15/16" (125 mm) × 13-5/16" (338 mm), 25 sq ft |
Sources
- Unicel 2026 Replacement Guide: Coleman OEM block PDF p.32: 100586 and 3301-2242 = C-4326, 25 sq ft, 4-15/16" x 13-5/16" (PDF)
- Pleatco 2023 Catalog: Spec table PDF p.32: PRB25-IN lists OEM 100586, 5" x 13-5/16", open 2-1/8", 25 sq ft (PDF)
- Filbur Catalog & Reference Guide: Coleman Spas section PDF p.16: FC-2375, OEM 100586, PRB25-IN, C-4326, 25 sq ft (PDF)
Not in sources: Outside diameter 4-15/16" (Unicel and Filbur) versus 5" (Pleatco). No model name..
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