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Air Humidifier How To Distinguish Between Whether The Negative Ions
Apr 18, 2016

1, ultrasonic humidification is the use of ultrasonic vibration to release water into mist and humidification, ultrasonic means for humidifying function, namely water mist using ultrasound.

2, negative ions is to use another device, negative ion generator can produce negative ions, so want to have negative ions must buy a humidifier with negative ion generator.