Pleatco PA81 = Unicel C-7483 = Filbur FC-1225
81 sq ft pool filter, 7" diameter × 19-5/8" long. Top: 3" open · Bottom: 3" open. Pleatco application: Hayward SwimClear C3030, C3025, C3020, Hayward Super-Star-Clear C3000, C3000S (stainless steel), Hayward C570, Sta-Rite PRC 75, open w/molded gasket.
Interchangeable cartridges
- Unicel C-7483 confirmed by: Pleatco p.47 (Unicel to Pleatco cross reference) Unicel p.17 (Cartridges by series (dimensional listing))
- Filbur FC-1225 confirmed by: Pleatco p.48 (Filbur to Pleatco cross reference) Filbur p.33 (Reverse cross reference (Unicel to Filbur))
Published dimensions, side by side
Each manufacturer measures a little differently. Compare these with your old cartridge.
Where to buy
Search any retailer for C-7483 or PA81 or FC-1225. These are the same cartridge under different brand names.
Some links may be affiliate links. See our disclosure.
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 |
|---|---|
CX580XRE | Pleatco p.33: OEM part # column Unicel p.37: OEM cross reference: Hayward Pool Products |
CX570XRE | Pleatco p.33: 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: SwimClear C3025, SwimClear C3030; OEM CX580XRE) Unicel p.37
FAQ
What is the Unicel equivalent of Pleatco PA81?
The catalogs cross-reference Pleatco PA81 to Unicel C-7483.
What is the Filbur equivalent of Pleatco PA81?
The catalogs list Filbur FC-1225.
What size is the PA81 filter?
Pleatco lists PA81 as 7" outside diameter by 19-5/8" long, top: 3" open, bottom: 3" open, 81 sq ft.
Which OEM part numbers does it replace?
Listed OEM numbers: CX580XRE, CX570XRE.
Sources: 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.