Queenaire Technologies Tornado Ozone generator is an appropriate solution for removing foul odors from indoor areas. This model can help remove obnoxious odors from areas up to 40,000 cubic feet. It features a variable timer and allows you to control the amount of ozone ions produced. The timer can be set for as little as 15 minutes and as many as four hours. It provides a smart solution for fire or flood-restoration projects and is suitable for residential and commercial use.