PLEXXA&reg; Car Air Purifier, Mini Compact Car Air Cleaner Air Freshner Oxygen Bar Bad Odor Eliminator Cigarette Smoke Air Remover (Red) Hint of ozone, the sterilization, on in-car air facilities for inhibiting bacteria breeding of virus. Negative ions can remove the car air dust, smoke, make the air fresh. Ozone can remove the car of musty, smoke, leather coating release of toxic gas such as formaldehyde, benzene Anion is praised as air vitamin, it can improve cardiopulmonary function, promote metabolism, eliminate fatigue, keep a clear mind, and can relieve the symptoms of motion sickness. Air as raw material, less consumption, energy conservation and environmental protection