The VirBuster 10000 ozone generator has an output of 10,000 mg O3 per hour, it is suitable for areas from 100 m2, or for fast disinfection of smaller areas. It is best used for disinfection of school classrooms , restaurants , shops or fitness centers . You will clean an area of approximately 200 m2 in two hours. The VirBuster 10000A model is controlled by a mechanical timer, the VirBuster 10000E model by an electronic timer with a process progress bargraph.