Spa Frog Conditioning Cartridge
The SPA FROG® Conditioning Cartridge for In-line and Floating System. In-line System is built right into the spa and uses the same mineral and bromine cartridges as the SPA FROG® Floating System. For easy top loading of replacement cartridges, simply open the cap, pull up the holder and snap them in.
Typically lasts up to 4 months.
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