Car air purifier Ozone generator, Air purifier Ionizer Negative ion Car air purifierOzone generatorair purifier IonizerNegative ionA Very EFFECTIVE STERILIZER! Perfect for purifying AIR, WATER, DISHES, FOOD ... of anion contained in the air at the moment. In addition to air purification, 'anion' also helps with: Calming, reducing fatigue, promoting sleeping ...