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6CH-402 spa filter equivalents
Part number 6CH-402 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.
Master Spas 6CH-402 cartridge (OEM PMA40L-F2M), 6" (152 mm) × 9-1/2" (241 mm), 40 sq ft. Unicel 6CH-402, Pleatco PMA40L-F2M.
Pleatco PMA40L-F2M
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| OEM | PMA40L-F2M |
|---|---|
| Unicel | 6CH-402 |
| Pleatco | PMA40L-F2M |
| Filbur | FC-0317 |
| Size | 6" (152 mm) × 9-1/2" (241 mm), 40 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Master Spas section), PDF p.45 (printed p.41); spec table PDF p.12 (printed p.8) (PDF)
- Filbur Catalog & Reference Guide: Product by Pool/Spa Manufacturer (OEM), Master Spas (Twilight), printed p.43 (PDF p.22) (PDF)
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