The Airpura Air Purifier T700DLX is an air purifier built to tackle odors and chemicals from heavy tobacco smoke. It is specially designed to clean tar and chemicals from the air that have caused low indoor air quality due to tobacco smoke. It expels a high amount of clean air at a rate of 635 cubic feet per minute, ensuring the airflow is sufficient to remove the odors in your home, or anywhere else smokers regularly smoke indoors. Get rid of the noxious chemicals, carcinogens, and tars in the air. Purifies up to 2,500 sq. ft.