Darlly 80803 Spa Filter Cartridge
- Diameter × length
- 8-7/16" × 19"
- Filter area
- 80 sq ft
- End caps
- 1-1/2" male slip fitting / 2-1/2" Open w/ beveled edge
- 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 80803 is an 80 sq ft spa filter cartridge, 8-7/16" x 19". It replaces the Sundance 6473-165 (Outer) cartridge.
Specifications
| Darlly part number | 80803 |
|---|---|
| Outside diameter | 8-7/16" |
| Length | 19" |
| Top end cap | 1-1/2" male slip fitting |
| Bottom end cap | 2-1/2" Open w/ beveled edge |
| Filter area | 80 sq ft |
| Type | Spa |
| Blue antimicrobial version | 80803M |
| Darlly description | Sundance 6473-165 (Outer) |
Older or other numbers that also point to this cartridge (not confirmed by a second source): 6473-165 (Sundance).
Filters it fits
| Filter | Cartridges per filter |
|---|---|
| Sundance 6473-165 (Outer) | 1 |
Other Darlly cartridges the same size
Same diameter and length. Check the end caps and area before swapping.
Questions
- What size is Darlly 80803?
- Darlly 80803 is 8-7/16" in outside diameter and 19" long, with 80 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.