Car Air Purifier, Geekercity 12V Mini Car Air Purifier / Car Freshener Ionizer Oxygen Bar / Bad Odor Remover Low Electricity Consumption Environmental Protection Pleasant Air Increaser (Black) Negative ion can quickly purify the air with eliminating the harmful air like toluene, carbon dioxide and dust, keep the air clean, eliminate fatigue to keep the driving safe Light ozone can sterilize and disinfect the air of automobiles, restrain virus propagating and growing Negative ion is reputed to be air vitamin. It can improve human heart and lung function, promote metabolism and dispel fatigue, maintain head clear and relieve carsickness Air is used as the material, low electricity consumption, environmental protection and energy saving It also have the function of sterilization. As if in the forest in the purified air ,It has the best medicine functions, reducing chances of cough, sneeze, asthma and so on inhibit bacteria growth prevent the spread of the virus