Spa Frog Inline Feeder cartridge Holder various brands and various colors. Used to hold the Spa frog Inline mineral and Bromine Cartridges.
Also Used in @ease Smartchlor System Cartridges.
Fits In-Line Spa frog Assembly 9900793 12896 on Bullfrog Caldera Marquis and many more spa brands
Caldera Mfg #: 74500
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