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1561-06 spa filter equivalents
Part number 1561-06 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.
Dimension One Spas 4CH-65 cartridge (OEM 1561-06), 4-5/8" (117 mm) × 19-5/8" (498 mm), 65 sq ft. Unicel 4CH-65, Pleatco not listed.
Unicel 4CH-65
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| OEM | 1561-06 |
|---|---|
| Unicel | 4CH-65 |
| Pleatco | not listed |
| Filbur | not listed |
| Size | 4-5/8" (117 mm) × 19-5/8" (498 mm), 65 sq ft |
Sources
- Unicel 2026 Replacement Guide: OEM cross reference (Dimension One Spas section), PDF p.33 (printed p.29); spec table PDF p.7 (printed p.3) (PDF)
- SpaStore.com (retailer): AK-9008: OEM 1561-06, 1561-07; Unicel 4CH-65; Pleatco PTL65H-P4; Filbur FC-0171; 4-5/8" x 19-5/8", handle, 1-1/2" MPT, 65 sq ft (web page)
- Hot Tub Outpost (retailer): AK-9008 for Dimension One: lists 1561-06, 4CH-65, FC-0171, PTL65; 4-5/8" x 19-5/8", 1-1/2" MPT, molded cone handle, 65 sq ft (web page)
Not in sources: no Pleatco or Filbur equivalent in either catalog; 1561-07 (80 sq ft) maps to a 65 sq ft replacement; no model/model-year fitment in sources.
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