SAO-4 Cartridges

The SAO dispenser replacement cartridge by Tersano is a patent-protected filtration system. Cold water enters the cartridge, where resins remove select contaminants. Once stabilized, this water is ready to be infused with ozone and creates SAO™. The SAO-4 cartridge provides 4 hours of sanitizing and 1,600 gallons of Stabilized Aqueous Ozone (Varies on water quality and flow rate).

Price: $480.00


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  • Up to 4 hours of sanitizing.
  • Up to 3 days of cleaning.
    (*varies based on incoming water quality and flow rate).
  • Eliminates germs, odors, stains, mold and mildew
  • Quickly kills viruses and bacteria including E. coli, Salmonells, MRSA and more
  • Safe and effective with no toxins, carcinogens, or chemical residue
  • Converts safely back to tap water and oxygen.

Additional information

Weight 17 lbs
Dimensions 24 × 8 × 8 in