Hanks Air humidifier, ultrasonic, ceramic filter, 3.2L, ARTNAW-05Hanks Air 3 L Ultrasonic Humidifier The function of the humidifier is to increase and regulate the humidity of indoor air to improve its quality. The air is purified much faster from dust, odors and tobacco smoke. Food products spoil less. It also eliminates the so called (computer and TV disease related headaches and burning eyes), as it neutralizes the positive ions produced by the inside of the monitor and CRT screen. CONTROL NAW 05 has a