Our portable air purifier products quickly eliminate bacteria, viruses, cigarette odor and bad odors. In in-vehicle sterilization, disinfection of water dispensers, R&D studies give excellent results in use. On the device there is a control panel with which you can set the timer and the amount of ozone from 0-120 minutes to be able to set the operating time. Since the entire device is made of stainless steel, it has been used safely for many years.