Unicel C-4440 Replacement Filter Cartridge | 40 Sq. Ft. | 16 3/4" | Sundance Spas Safety Signage If your existing cartridge measures

If your existing cartridge measures approximately 6" tip-to-tip

Size: 2 lb Bag

Finned aluminum enclosure

the Unicel C-8465 delivers an upgraded solution — 65 sq

Also confirm your tank diameter is 26 inches before ordering

Unicel C-4440 Replacement Filter Cartridge | 40 Sq. Ft. | 16 3/4" | Sundance Spas Safety Signage If your existing cartridge measuresThe Unicel C 4440 is a 4000 Series 40 sq. ft. replacement filter cartridge built for Sundance Spas filtration systems. Featuring 158 precision folded pleats of 4 oz. Reemay 2040 polyester media across a 16 3 4" profile, it delivers thorough debris capture and sustained water clarity between cleanings. The castle style closed top cap and open bottom seat securely on your spa's standpipe no guesswork, no adapters. IMPORTANT: Some Sundance Spa Models Use