Spa Frog Serene®  Bromine Combined Cartridge Kit
$116.99

Spa Frog Serene® Bromine Combined Cartridge Kit. For use with the Spa Frog Serene In-Line or Floating Cartridge system for hot tubs and spas.   

This kit includes:
1 Blue Mineral Cartridge
3 Yellow 5.3 oz Bromine Cartridges