This great Automobile Ionic Air Purifier uses the same technology as the Wein Air Supply wearable Air Purifiers. Cleaner, more fresh air anywhere you drive. Take charge of your personal breathing zone air in your car with the Automate 12 volt cigarette lighter plug-in. Removes up to 90% of road pollutants from car interiors including exhaust fumes, road dust, bacteria, virus, allergens, smoke, molds and more. Simply plug it in for cleaner, healthier air wherever you go.