A rare Young Living Therapro Essential Oil Atomizing Diffuser In Original Box The most advanced diffuser technology from Young Living. Directional control spout and sound reducer Revolutionary nebulizer technology atomizes a micro-fine essential oil vapor of approximately one to three microns. Young Living essential oil bottles attach directly to diffuser for less mess. 15 ml capacity for long-lasting diffusing Adjustable on and off time cycles up to twenty minutes. Pressure can also be set up and down for desired oil volume. Appears to never have been used.