Darlly 70811 Pool Filter Cartridge
Replaces Unicel C-7483 · Pleatco PA81 (now ULTRA-A3) · Filbur FC-1225
- Diameter × length
- 7" × 19-5/8"
- Filter area
- 81 sq ft
- End caps
- 3" Open w/ molded gasket / 3" Open w/ molded gasket
Pool and spa businesses in Florida, Georgia, South Carolina, Alabama, Mississippi, Louisiana and Texas order through their Grit Game rep. Everywhere else, contact Darlly Filtration directly.
Darlly 70811 is an 81 sq ft pool filter cartridge, 7" x 19-5/8". It fits the Hayward SwimClear C3030, C3025, C3020 and Super-Star-Clear C3000, C3000S, which take 4 cartridges each. It replaces Unicel C-7483, Pleatco PA81 (now ULTRA-A3), Filbur FC-1225 and Hayward CX580XRE.
Specifications
| Darlly part number | 70811 |
|---|---|
| Outside diameter | 7" |
| Length | 19-5/8" |
| Top end cap | 3" Open w/ molded gasket |
| Bottom end cap | 3" Open w/ molded gasket |
| Filter area | 81 sq ft |
| Type | Pool |
| Cartridges per filter | 4 |
| Darlly description | Hayward CX580RE |
Cross-reference
| Brand | Part numbers Darlly 70811 replaces |
|---|---|
| Unicel | C-7483 |
| Pleatco | PA81 (now ULTRA-A3), ULTRA-A3 |
| Filbur | FC-1225 |
| Hurricane (former brand) | HF7483-04 |
| OEM and other numbers | Hayward CX580XRE |
Filters it fits
| Filter | Cartridges per filter | OEM cartridge number |
|---|---|---|
| Hayward SwimClear C3030, C3025, C3020; Super-Star-Clear C3000, C3000S (325 sq ft filter) | 4 | CX580XRE |
Older 75 sq ft CX570XRE cartridge: 77517.
Other Darlly cartridges the same size
Same diameter and length. Check the end caps and area before swapping.
Questions
- What is the Darlly replacement for Unicel C-7483?
- Darlly 70811 replaces Unicel C-7483. Both are 7" in diameter and about 19-5/8" long.
- What Darlly cartridge replaces Pleatco PA81?
- Darlly 70811 replaces Pleatco PA81, which Pleatco now sells as ULTRA-A3.
- How many cartridges does the Hayward SwimClear C3030, C3025, C3020 use?
- It takes 4 cartridges. Order 4 of Darlly 70811 to replace the full set.
- What size is Darlly 70811?
- Darlly 70811 is 7" in outside diameter and 19-5/8" long, with 81 sq ft of filter area.
Cross-reference checked October 21, 2026 against Unicel's 2026 Replacement Guide, Pleatco's catalog (updated September 2025), filbur.com and darllyfilter.com. A competitor number is listed only when that brand's own data pairs it with the same cartridge size. Always compare the size and end caps of your old cartridge before ordering.
Brand names and part numbers are trademarks of their respective owners and are shown only to identify compatible replacements. Darlly Filtration is not affiliated with or endorsed by them. Cross-reference by The Grit Game, Darlly's sales agency.