Darlly 60521 Spa Filter Cartridge
Replaces Unicel 6CH-960 · Pleatco PJW60TL-F2S · Filbur FC-2800
- Diameter × length
- 6-3/4" × 15-1/2"
- Filter area
- 52 sq ft
- End caps
- semi-circular Handle / 2" SAE thread
- 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 60521 is a 52 sq ft spa filter cartridge, 6-3/4" x 15-1/2". It fits the Jacuzzi Premium. It replaces Unicel 6CH-960, Pleatco PJW60TL-F2S and Filbur FC-2800.
Specifications
| Darlly part number | 60521 |
|---|---|
| Outside diameter | 6-3/4" |
| Length | 15-1/2" |
| Top end cap | semi-circular Handle |
| Bottom end cap | 2" SAE thread |
| Filter area | 52 sq ft |
| Type | Spa |
| Blue antimicrobial version | 60521M |
| Darlly description | Jacuzzi Premium |
Cross-reference
| Brand | Part numbers Darlly 60521 replaces |
|---|---|
| Unicel | 6CH-960 |
| Pleatco | PJW60TL-F2S |
| Filbur | FC-2800 |
| Hurricane (former brand) | HF6H960-01 |
Older or other numbers that also point to this cartridge (not confirmed by a second source): PJW60TL-2A (Pleatco).
Filters it fits
| Filter | Cartridges per filter |
|---|---|
| Jacuzzi Premium | 1 |
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 6CH-960?
- Darlly 60521 replaces Unicel 6CH-960. Both are 6-3/4" in diameter and about 15-1/2" long.
- What Darlly cartridge replaces Pleatco PJW60TL-F2S?
- Darlly 60521 replaces Pleatco PJW60TL-F2S.
- What size is Darlly 60521?
- Darlly 60521 is 6-3/4" in outside diameter and 15-1/2" long, with 52 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.