FROG - Mineral Replacement Cartridge
Replacement Mineral Cartridges for Spa Frog Serene Floating System, and spas with factory-installed Inline System. Use with companion yellow Frog Bromine Cartridge.
Features:
- For Frog Floating or Inline system
- Mineral Cartridges - 4 Month Supply
Product notes: Replace mineral cartridge every 4 months.
King Technology 01-14-3812