Frog @ease SmartChlor 3 Replacement Cartridges
Replacement Cartridge 3 Pack for the Spa Frog @ease SmartChlor Sanitizing System.
Low-chlorine spa sanitizing cartridge maintains a consistent 0.5 – 1.0 ppm free chlorine level at all times
Shock only once a month and use up to 75% less chlorine
Floats in spa water and flips over when empty, indicating the SmartChlor cartridge needs replacing
Lasts 3-4 weeks in spas up to 600 gallons