How does the All Odors Gone Miracle Vapor Gassing System™ Remove Odors in my home or business? Our Vapor Gassing System completely penetrates everywhere odors can linger. Chlorine Dioxide is very safe to use, and Chlorine Dioxide will not leave any toxic residue. Our product produces a dense gas that is attracted to the odor particles, disintegrates them and leaves only freshness behind. The musty odor is gone forever without leaving behind any toxic chemicals.