Eliminating room odor is easy with the Queenaire QT Thunder. 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 timer on the machine and letting it go to work. The machine emits 300 mg of ozone per hour and is effective at eliminating unwanted smells from garbage, smoke, pets, paint, and more. Deodorizes up to 300 square feet in 15 to 20 minutes.