FROG @ease Replacement SmartChlor Cartridge 3 Pack
Brand: Frog
Color: Gray
For any hot tub up to 600 gallons
Kills bacteria 2 ways with minerals and SmartChlor
Self-regulating for continuous crystal clear water
Up to 75% less chlorine use with no yo-yo chlorine levels
Floats in the hot tub - flips over when empty