Fresh Water Salt System Cartridge single

The FreshWater Salt System Cartridge for Caldera and Hot Spring Hot Tubs makes water care simple for your saltwater hot tub. The disposable titanium cartridge is maintenance-free and easy to replace in just a few seconds with no tools required!

This product is available as a single cartridge or a 3-pack of replacement chlorine-generating cartridges. The 3-pack will keep your spa water clean and clear for an entire year (an individual cartridge lasts up to 4 months).*