... Chlorine dioxide disinfectant,Efficient, Freindly operation, Safety Use for Universiade Shenzhen 2011, can use for any public air sterilizerDisinfectionStart work 30 minutes ... cycleThe machine according to the user's actual needs, a one-time set, periodic work automatically.SafetyNon-toxic no residue, no ... standards. CLO2 Sterilizer,Chlorine dioxide air sterilization, CE, use for universiade 2011