Pleatco PA75 = Unicel C-7676 = Filbur FC-1250
75 sq ft pool filter, 7" diameter × 29-3/8" long. Top: 3" open · Bottom: 3" open. Pleatco application: Hayward Star-Clear C750, Waterway Clearwater II 75, Waterway Pro-Clean 75, open w/molded gasket.
Interchangeable cartridges
- Unicel C-7676 confirmed by: Pleatco p.47 (Unicel to Pleatco cross reference) Unicel p.17 (Cartridges by series (dimensional listing))
- Filbur FC-1250 confirmed by: Pleatco p.48 (Filbur to Pleatco cross reference) Filbur p.33 (Reverse cross reference (Unicel to Filbur)) Filbur p.11 (Dimensional cartridge listing)
Published dimensions, side by side
Each manufacturer measures a little differently. Compare these with your old cartridge.
| As published by | Pleatco PA75 source | Unicel C-7676 source | Filbur FC-1250 source |
|---|---|---|---|
| Outside diameter | 7" | 7" | 7" |
| Length | 29-3/8" | 29-7/16" | 29-3/8" |
| Top end | 3" open | 3" / open w/ molded gasket | 3" open |
| Bottom end | 3" open | 3" / open w/ molded gasket | 3" open |
| Filter area | 75 sq ft | 75 sq ft | 75 sq ft |
| Pleats | not listed | 108 | not listed |
| Media weight | 4 oz/yd² | 4 oz/yd² | not listed |
Where to buy
Search any retailer for C-7676 or PA75 or FC-1250. These are the same cartridge under different brand names.
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OEM part numbers this cartridge replaces
As printed in the cited aftermarket catalogs. Match the number on your old cartridge or in your filter manual exactly.
| OEM number | Listed in |
|---|---|
CX750RE | Pleatco p.34: OEM part # column Unicel p.38: OEM cross reference: Hayward Pool Products |
R173205 | Pleatco p.34: OEM part # column |
570074 | Pleatco p.34: OEM part # column |
Pool filters and equipment brands that use it
From the OEM cross reference in the Unicel 2026 Replacement Guide. A brand may use several sizes, so check your filter model and measurements.
- Hayward Pool Products (models: Star-Clear C750; OEM CX750RE) Unicel p.38
- Hollibaugh Spas Unicel p.39
FAQ
What is the Unicel equivalent of Pleatco PA75?
The catalogs cross-reference Pleatco PA75 to Unicel C-7676.
What is the Filbur equivalent of Pleatco PA75?
The catalogs list Filbur FC-1250.
What size is the PA75 filter?
Pleatco lists PA75 as 7" outside diameter by 29-3/8" long, top: 3" open, bottom: 3" open, 75 sq ft.
Which OEM part numbers does it replace?
Listed OEM numbers: CX750RE, R173205, 570074.
Sources: Filbur Product Catalog and Reference Guide (2024) · Filbur Product Catalog and Reference Guide (2024) · Pleatco 2023 Catalog & Cross Reference Guide (Pentair) · Pleatco 2023 Catalog & Cross Reference Guide (Pentair) · Pleatco 2023 Catalog & Cross Reference Guide (Pentair) · Unicel 2026 Replacement Guide. Last checked 2026-11-03.