... Ultrasonic Air Cleaner 1.Clean air; Dispel smoke 2.Can act as sole ionizer 3.Patent,CE,FCC,ROHS Ultrasonic Cleaner, air vacuum cleaners, car air ... cleaner ultrasonic air humidifier with large amounts of negative ions ... fog humidification, can prevent the discomfort of the air conditioning and dry weather.Protects the car leather ...