Ozone has the effect of sterilization, disinfection. But ozone just has the harmful gas in air to undertake depurative alexipharmic to showing, in fact, the time that the harmful gas inside a lot of cars volatilizes is very long, the formaldehyde of the generation when be being decorated indoors especially, volatilize time may be as long as 15 years. Accordingly ozonic purifies the effect finite, and cause pollution very easily 2 times.
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