Spa Frog Serene Refill Cartridge Kit
$85.20
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Replacement cartridge kit for Spa Frog Serene Floating System, and spas with factory-installed Inline System. Adjustable release rate settings. (3) Yellow Bromine Cartridges (ea. lasts 2-4 wks.) (1) Blue Mineral Cartridge (replace every 4 mos.) Product notes: Also fits Frog’s Inline System, factory-installed on hot tub models by Bullfrog, Caldera, Cal Spas, Catalina, Coast, Emerald, Hot Spot, Hot Spring, Leisure Bay, Marquis, Morgan, Pacific, Saratoga, Watkins, others.
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$85.20
(+$4)