Ozone is the gas with the highest disinfectant and sterilizing power that exists, and according to the WHO, in concentrations 0.1-0.2 mg / L.min, a 99% elimination of viruses similar to COVID-19 is achieved. In the interior of a car it is easy to achieve this concentration, which added to the great capacity to reach all kinds of corners and penetration into surfaces due to its gaseous state, allows to eliminate the coronavirus in almost any element of the passenger compartment.