... 3.1kv-3.5kvUnder the Oxygen circumstance:The flow rate is at 0.5L/Min,the O3 ... Concentration is 80MG/L.The flow rate is at 1L/Min,the O3 ... It is suitable for pure and fresh machine, air purifier, water treatment machine, sterilizing cabinet, oxygen bar, purifier, ... clothes dryer, dry shoes machine, refrigerator, drinking fountain, oxygen bar, household electrical ...