Spa Frog Serene Mineral Cartridge
$37.95
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Spa Frog Serene Mineral Cartridge for use in Floating System, and spas with factory-installed Inline System. Blue Mineral Cartridge (replace every 4 mos.) Use with companion Yellow Bromine Cartridge 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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$36.95
$37.95
(+$1)