Eliminating room odor is easy with the Queenaire QT Thunder-24. This machine produces a small amount of ozone particles, which seek out and eliminate odor-causing agents. Leave a room smelling fresh by simply setting the seven-day, six-cycle timer on the machine and letting it go to work. The machine outputs 300 mg of ozone per hour and is effective at eliminating unwanted smells from garbage, smoke, pets, paint, and more. Deodorize up to 10,000 square feet.