This Spa Frog cartridge holder is used by some spa manufacturers, including Artesian, Aspen, Associated Leisure, Caldera, Clearwater, Coast, Four Winds, Hot Spring, Premium Leisure, Marquis, Spa Crest Mfg. an Sunbelt Spas.
If your spa is equipped with this system, its use is simple: simply remove the cartridge holder from its location and insert or replace the cartridge of minerals and bromine.
Overall height: 490 mm
Diameter: 56 mm
Spa Frog : 74500
Marquis Spa : 990-0775