Darlly 77516 Pool Filter Cartridge
Replaces Unicel C-7491 · Pleatco PFAB75 (discontinued) · Filbur FC-2190
Darlly 77516 is a 75 sq ft pool filter cartridge, 7" x 18-7/16". It replaces Unicel C-7491, Pleatco PFAB75 (discontinued) and Filbur FC-2190.
Specifications
| Darlly part number | 77516 |
|---|---|
| Outside diameter | 7" |
| Length | 18-7/16" |
| Top end cap | 2-5/8" Open |
| Bottom end cap | 2-5/8" Open |
| Filter area | 75 sq ft |
| Type | Pool |
| Darlly description | Pac-Fab Seahorse-300 |
Cross-reference
| Brand | Part numbers Darlly 77516 replaces |
|---|---|
| Unicel | C-7491 |
| Pleatco | PFAB75 (discontinued) |
| Filbur | FC-2190 |
Questions
- What is the Darlly replacement for Unicel C-7491?
- Darlly 77516 replaces Unicel C-7491. Both are 7" in diameter and about 18-7/16" long.
- What Darlly cartridge replaces Pleatco PFAB75?
- Darlly 77516 replaces Pleatco PFAB75.
- What size is Darlly 77516?
- Darlly 77516 is 7" in outside diameter and 18-7/16" long, with 75 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.