Filtration, Sanitation, System Cartridge, Fast Flow Configuration, EcO3Ice Sanitation Fast Flow System, Ozone treated water sanitizes the ice machine, bin and related parts, Indicator lamp shows when it’s time to replace the cartridge. The compact EcO3Ice device uses a unique, synthetic diamond-based technology that continuously treats incoming water used by ice machines, killing bacteria, yeast and mold in the ice-making path from beginning to end. Reduces biofilm build-up, greatly extending required time between cleanings. With each cycle, EcO3Ice creates a small, safe but effective amount of pure ozone natures own sanitizer which continuously treats the machine interior, storage bin, dispenser and drains.