Offered Ultrasonic Nebulizer uses high frequency vibrations to aerosolize the medication into a very fine mist. It is a device that uses ultrasonic frequencies to turn a liquid medication into a fine mist so it can be inhaled. The ultrasonic frequencies are sound waves outside the range that can be heard by human ears. It is used for respiratory therapy and humidification of the inhaled air. It is designed for drug inhalation therapy in hospitals, nursing homes and for private use. The offered Ultrasonic Nebulizer is very effective and made for medical purposes. It is very safe for use.