... :SOM-HS 5G 110V 220V Ozone Generator for Air Purifier and Water Treatment Model Number:SOM-HS1.Function:It is suitable ... for pure and fresh machine, air purifier, water treatment machine, sterilizing cabinet, oxygen bar, purifier, clothes dryer, dry shoes ... 5g/h-20g/h Ozone Generator for air purifier. 5G 110V 220V ozone machine for Air Purifier and Water Treatment for household use