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6CH-47 spa filter equivalents
Part number 6CH-47 appears in 1 cited 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.
Sundance 6CH-47 cartridge (OEM 373043)
| OEM | 373043 |
|---|---|
| Unicel | 6CH-47 |
| Pleatco | PTL47W-P4 |
| Filbur | — |
| Size | 6" × 9-1/8", 45 sq ft |
Sources
- Unicel 2026 Replacement Guide — OEM Cross Reference, PDF p.58; spec table PDF p.11 (PDF)
- Pleatco 2023 Catalog — Unicel-to-Pleatco cross reference, PDF p.43 (PDF)
Not in sources: no Filbur equivalent sourced; no model-year range in source.
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