Converts smoke odors into harmless, odorless CO2 & water vapor. Odors from smoke damaged carpets, etc. are banished forever. Then, the unused ozone simply reverts back to ordinary oxygen, leaving no perfume or unpleasant fragrance behind. Uses no chemicals, perfumes or masking agents. Actually destroys odor molecules, operates unattended, prevents odor from "returning", portable, plugs into standard outlet.