This Ozium Air Freshener Spray Eliminates Smoke, Odors and Airborne Bacteria and is clinically proven to get rid of offensive odors rather than masking them. It was originally developed to combat airborne bacteria and germs in hospitals and health care facilities. This air sanitizer spray is considered the best solution to sanitizing problems that can occur in automobiles, at home or in the workplace. The Ozium Air Freshener Spray Eliminates Smoke, Odors and Airborne Bacteria works very well on smoke and other foul odors, as it converts smoke particles into fresh air. It comes in a pack of three 8-oz spray cans that are easy to use and are EPA registered