... , portable one 3, CE and ROHS approved 5g portable ozone machine for hotel with CEFunction :1, the Ozone gas which produced ... .3 , The use of ozone gas sterilization, degradation of organic waste, eliminate odor, clean air is more sophisticated high-tech international ... sterilization, long-life design4 air-source and oxygen source one machine, the customer can use on demand Useful: 1, the laboratory ...