Pleatco PSD75 = Unicel C-7370 = Filbur FC-2760
75 sq ft hot tub filter, 7-1/2" diameter × 17-3/4" long. Top: Castle · Bottom: 2-5/8" open. Pleatco application: Sundance 75.
Interchangeable cartridges
- Unicel C-7370 confirmed by: Pleatco p.47 (Unicel to Pleatco cross reference) Unicel p.19 (Cartridges by series (dimensional listing))
- Filbur FC-2760 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)
Check before you order
- Unicel C-7370 lists bottom opening 2-1/2" / open w/ beveled edge vs 2-5/8" open.
- Filbur FC-2760 lists length 18" vs 17-3/4"; measure before ordering.
- Filbur FC-2760 lists bottom opening 2-1/2" open vs 2-5/8" open.
Published dimensions, side by side
Each manufacturer measures a little differently. Compare these with your old cartridge.
| As published by | Pleatco PSD75 source | Unicel C-7370 source | Filbur FC-2760 source |
|---|---|---|---|
| Outside diameter | 7-1/2" | 7-1/2" | 7-1/2" |
| Length | 17-3/4" | 17-3/4" | 18" |
| Top end | Castle | / castle | Castle |
| Bottom end | 2-5/8" open | 2-1/2" / open w/ beveled edge | 2-1/2" open |
| Filter area | 75 sq ft | 75 sq ft | 75 sq ft |
| Pleats | not listed | 154 | not listed |
| Media weight | 3 oz/yd² | 3 oz/yd² | not listed |
Where to buy
Search any retailer for C-7370 or PSD75 or FC-2760. 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 spa manual exactly.
| OEM number | Listed in |
|---|---|
6540-483 | Pleatco p.34: OEM part # column Unicel p.59: OEM cross reference: Sundance Spas |
Hot tub brands that use it
From the spa-manufacturer cross reference in the Unicel 2026 Replacement Guide. A brand may use several sizes, so check your measurements.
- Sundance Spas (OEM 6540-483) Unicel p.59
FAQ
What is the Unicel equivalent of Pleatco PSD75?
The catalogs cross-reference Pleatco PSD75 to Unicel C-7370.
What is the Filbur equivalent of Pleatco PSD75?
The catalogs list Filbur FC-2760.
What size is the PSD75 filter?
Pleatco lists PSD75 as 7-1/2" outside diameter by 17-3/4" long, top: Castle, bottom: 2-5/8" open, 75 sq ft.
Which OEM part numbers does it replace?
Listed OEM numbers: 6540-483.
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 2026-10-21.