Fridge air purifier . Function: Kill the bacteria and pesticides from fruits and vegetables, remove stench and odors, slow down rancidness of the food, and prevent the spread of all kinds of virus. It also can use for deodorizing the refrigerator. . Negative ion: negative ion density is more than 2.0×106 pcs/cm³ Ozone: Ozone density is about 0.05PPM, efficiently removes the harmful gas odors and virus. Automatic control: work 10 minutes per 50 minutes, and auto replay. Fluorescent lamp: built-in fluorescent lamp, suitable for light at night.