The refreshing way to disperse essential oils. Ultrasonic diffusion is the preferred way to disperse essential oils into the air. Traditional use heat, which can alter the molecular structure of the oils. Ultrasound technology or high-frequency sound agitates the oils producing a fine, cooling mist. The Eco Spa Diffuser charms any room, it's quiet, efficient, safe (automatically shuts off when water is low) and easy to use. Click Here Now to Get Yours!