Caldera 31489 | 30 sq ft Spa Filter Cartridge Brand_Pool Marvel Sundance® Spas 6541-397S Complete Filter

Sundance® Spas 6541-397S Complete Filter Series 880

Enabled with GMG RACKT™ technology

unthreaded collar that seals by close tolerance against a matching socket in the filter well

The result is soft water with much less odor

It's one of the easiest upgrades you can make to your maintenance routine: just drop it in and let it work

Caldera 31489 | 30 sq ft Spa Filter Cartridge Brand_Pool Marvel Sundance® Spas 6541-397S Complete FilterThe Caldera 31489 filter cartridge delivers 30 square feet of pleated filtration for cleaner, clearer spa water. It's one of the most widely compatible cartridges in the Watkins family of spa brands, serving a broad range of models across decades of production so it's a dependable replacement to keep on hand. Filtration is the quiet backbone of good spa water. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is