Caldera 31489 | 30 sq ft Spa Filter Cartridge Brand_Modern Flames Every time someone uses a

Every time someone uses a hot tub

adding additional precaution against partial freezing to some of the your spa's components while maximizing energy efficiency

24 burgers

These jets may provide either a direct stream or rotating massage patterns

Dimensions 36" x 8 3/4"

Caldera 31489 | 30 sq ft Spa Filter Cartridge Brand_Modern Flames Every time someone uses aThe 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