Caldera 73722 | 100 sq ft Utopia Spa Filter Type_Circulation Pump 2" on this one —

2" on this one — and the part numbers are one digit apart

all but eliminating the frustrating "pH bounce" that has owners chasing the same reading up and down week after week

This product stretches to fit virtually all skimmer baskets

leaving the water smelling genuinely clean and fresh

softening the feel of the water while protecting the pool surface and equipment from scale

Caldera 73722 | 100 sq ft Utopia Spa Filter Type_Circulation Pump 2" on this one —The Caldera 73722 filter cartridge is a factory original replacement built for Caldera Utopia Series spas. With 100 square feet of filtration across 260 pleats of heavy duty polyester, it delivers more efficient filtration and better water clarity so you spend less time cleaning and more time enjoying your hot tub. Your filter handles the work you never think about. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge