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.
FC-2940 spa filter equivalents
Part number FC-2940 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.
Cal Spas C-4995 cartridge, 4-15/16" (125 mm) × 23-5/8" (600 mm), 100 sq ft. Unicel C-4995, Pleatco PCAL100.
Unicel C-4995
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| OEM | |
|---|---|
| Unicel | C-4995 |
| Pleatco | PCAL100 |
| Filbur | FC-2940 |
| Size | 4-15/16" (125 mm) × 23-5/8" (600 mm), 100 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Cal Spas section), PDF p.30 (printed p.26); spec table PDF p.9 (printed p.5) (PDF)
- Pleatco 2023 Catalog: Unicel-to-Pleatco cross reference, PDF p.47 (PDF)
- Filbur Catalog & Reference Guide: Product by Pool/Spa Manufacturer (OEM), Cal Spas, printed p.29 (PDF p.15) (PDF)
Not in sources: no model/model-year fitment in sources; Unicel lists no OEM part number for this brand entry.
Full details → · All Cal Spas spa filters · Which fitting you need · How to install it
Waterway Plastics C-4995 cartridge (OEM 817-1000), 4-15/16" (125 mm) × 23-5/8" (600 mm), 95 sq ft. Unicel C-4995, Pleatco PCAL100.
Unicel C-4995 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 | 817-1000 |
|---|---|
| Unicel | C-4995 |
| Pleatco | PCAL100 |
| Filbur | FC-2940 |
| Size | 4-15/16" (125 mm) × 23-5/8" (600 mm), 95 sq ft |
Sources
- Unicel 2026 Replacement Guide: Waterway list PDF p.64: 817-1000 = C-4995, 95 sq ft, and the C-4970 note that says to use it. Spec table PDF p.9: 222 pleats, 95 sq ft. (PDF)
- Waterway Plastics Service Logic cartridge table: Fetched 2026-11-09: 817-1000, 100 sq ft, in-line top mount (web page)
- Pleatco 2023 Catalog: Spec table PDF p.32: PCAL100, 100 sq ft, OEM 817-1000. Cross-reference PDF p.47: C-4995 = PCAL100. (PDF)
- Filbur Catalog & Reference Guide: Waterway section PDF p.28: FC-2940 at 100 sq ft. Another FC-2940 row prints 95 sq ft. (PDF)
Not in sources: Area 95 (Unicel spec and Unicel Waterway line) vs 100 (Waterway's table, Pleatco, Filbur Waterway section). A second Filbur row prints 95. Outside diameter 4-15/16" vs Pleatco 5"..
Full details → · All Waterway Plastics spa filters · Which fitting you need · How to install it