Unicel C-6430AM Antimicrobial Replacement Filter Cartridge | 30 sq. ft. | Hot Springs / Watkins Spas Filter Cartridges It is not a single

It is not a single wheel

Small mammals (mice

We provide a handy calculator to help you determine how much you will need

Record as parts per million (ppm) salt as sodium chloride (NaCl)

and full system efficiency

Unicel C-6430AM Antimicrobial Replacement Filter Cartridge | 30 sq. ft. | Hot Springs / Watkins Spas Filter Cartridges It is not a singleThe Unicel C 6430AM is a 30 sq. ft. 6000 Series replacement spa filter cartridge engineered with antimicrobial treated media purpose built for Hot Springs and Watkins spa owners who demand precision fit performance. Manufactured with 3 oz. Reemay 2033 polyester filter media infused with antimicrobial treatment, this cartridge delivers 124 pleats of tight, consistent filtration to keep water clear and the media protected between service cycles.