The Immun0 2.0 Pro Air Sanitizing Diffuser is the perfect addition to any home or office. This powerful diffuser can cover up to 2000 sq. ft. and has customizable settings for on, 2hr, 4hr, or 8hr. The high, low, and night time mist level options allow for an optimal experience. This diffuser is a personal favorite and can be found right next to my office window. Keep your air clean and fresh with the Immun0 2.0 Pro Air Sanitizing Diffuser.