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.
7CH-322 spa filter equivalents
Part number 7CH-322 appears in 2 cross-reference rows 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.
Master Spas 7CH-322 cartridge, 7" (178 mm) × 8" (203 mm), 32 sq ft. Unicel 7CH-322, Pleatco PAS35-F2M.
Unicel 7CH-322
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| OEM | |
|---|---|
| Unicel | 7CH-322 |
| Pleatco | PAS35-F2M |
| Filbur | FC-0420 |
| Size | 7" (178 mm) × 8" (203 mm), 32 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Master Spas section), PDF p.45 (printed p.41); spec table PDF p.14 (printed p.10) (PDF)
- Pleatco 2023 Catalog: Unicel-to-Pleatco cross reference, PDF p.47 (PDF)
- Filbur Catalog & Reference Guide: Unicel-to-Filbur reverse cross reference, printed p.66 (PDF p.34) (PDF)
Not in sources: no model/model-year fitment in sources; Unicel lists no OEM part number for this brand entry.
Full details → · All Master Spas spa filters · Which fitting you need · How to install it
Coleman Spas 7CH-322 cartridge (OEM 100520), 7" (178 mm) × 8" (203 mm), 32 sq ft. Unicel 7CH-322, Pleatco PAS35-F2M.
Unicel 7CH-322 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.
| OEM | 100520 |
|---|---|
| Unicel | 7CH-322 |
| Pleatco | PAS35-F2M |
| Filbur | FC-0420 |
| Size | 7" (178 mm) × 8" (203 mm), 32 sq ft |
Sources
- Unicel 2026 Replacement Guide: Coleman OEM block PDF p.32: 100520 and 3301-2109 = 7CH-322, 7" x 8", 2" MPT, 32 sq ft. Spec table PDF p.14: 175 pleats, 32 sq ft. Artesian block PDF p.29 (printed p.25): 7CH-322 at 35 sq ft, original 7-7/8" OD and 7-5/8" overall. (PDF)
- Pleatco 2023 Catalog: Spec table PDF p.34: PAS35-F2M, 7-1/8" x 7-9/16", 2" MPT, 35 sq ft, OEM 100520 and 3301-2109. Cross-reference PDF p.47: 7CH-322 = PAS35-F2M. (PDF)
- Filbur Catalog & Reference Guide: Coleman Spas section PDF p.16 and dimensional listing PDF p.11: FC-0420, 7 x 8, 32 sq ft, OEM 100520, Pleatco cell PAS35-2, Unicel 7CH-322 (PDF)
Not in sources: Area 32 sq ft (Unicel spec table and Filbur) versus 35 sq ft (Pleatco PAS35-F2M, and Unicel's Artesian line). Length 8" versus Pleatco's 7-9/16". No Coleman model name..
Full details → · All Coleman Spas spa filters · Which fitting you need · How to install it