Darlly 82401 Pool Filter Cartridge
Replaces Unicel C-8406 (now C-8405)
Darlly 82401 is a 240 sq ft pool filter cartridge, 8-7/8" x 39". It replaces Unicel C-8406 (now C-8405).
Specifications
| Darlly part number | 82401 |
|---|---|
| Outside diameter | 8-7/8" |
| Length | 39" |
| Top end cap | 4" Open |
| Bottom end cap | 4" Open |
| Filter area | 240 sq ft |
| Type | Pool |
| Darlly description | Purex DM |
Cross-reference
| Brand | Part numbers Darlly 82401 replaces |
|---|---|
| Unicel | C-8406 (now C-8405) |
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-8406?
- Darlly 82401 replaces Unicel C-8406, which Unicel now sells as C-8405. Both are 8-7/8" in diameter and about 39" long.
- What size is Darlly 82401?
- Darlly 82401 is 8-7/8" in outside diameter and 39" long, with 240 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.