Darlly 81002 Pool Filter Cartridge
Replaces Unicel C-8610 · Pleatco PA100 (now ULTRA-D1) · Filbur FC-1290
- Diameter × length
- 8-1/2" × 23-5/16"
- Filter area
- 100 sq ft
- End caps
- 4-1/16" Open w/ molded gasket / 4-1/16" Open w/ molded gasket
- Per filter
- 1 cartridge
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 81002 is a 100 sq ft pool filter cartridge, 8-1/2" x 23-5/16". It fits the Hayward Star-Clear II C1100. It replaces Unicel C-8610, Pleatco PA100 (now ULTRA-D1), Filbur FC-1290 and Hayward CX1100RE.
Specifications
| Darlly part number | 81002 |
|---|---|
| Outside diameter | 8-1/2" |
| Length | 23-5/16" |
| Top end cap | 4-1/16" Open w/ molded gasket |
| Bottom end cap | 4-1/16" Open w/ molded gasket |
| Filter area | 100 sq ft |
| Type | Pool |
| Darlly description | Hayward CX1100RE skim filter |
Cross-reference
| Brand | Part numbers Darlly 81002 replaces |
|---|---|
| Unicel | C-8610 |
| Pleatco | PA100 (now ULTRA-D1), ULTRA-D1 |
| Filbur | FC-1290 |
| Hurricane (former brand) | HF8610-01 |
| OEM and other numbers | Hayward CX1100RE |
Filters it fits
| Filter | Cartridges per filter | OEM cartridge number |
|---|---|---|
| Hayward Star-Clear II C1100 (100 sq ft filter) | 1 | CX1100RE |
Questions
- What is the Darlly replacement for Unicel C-8610?
- Darlly 81002 replaces Unicel C-8610. Both are 8-1/2" in diameter and about 23-5/16" long.
- What Darlly cartridge replaces Pleatco PA100?
- Darlly 81002 replaces Pleatco PA100, which Pleatco now sells as ULTRA-D1.
- What size is Darlly 81002?
- Darlly 81002 is 8-1/2" in outside diameter and 23-5/16" long, with 100 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.