G.A.S SonicAir HumidifierG. A. S SonicAir Humidifier Humidify up to 800ml per hour on just 60W grab a G. A. S SonicAir Humidifier. Why so efficient? It humidifiers using 2 x ultrasonic ceramic plates. They produce a really fine mist on a very low power. They're known for their reliability and have a long life. They don't produce any heat, either! For best results, use this humidifier with a humidity controller the G. A. S Enviro Controller is ideal. Adjustable up to 800ml per