The Airgle 750 is today's most advanced and effective air purifier designed for home and office use. In independent laboratory tests performed by the Association of Home Appliance Manufacturers, the Airgle 750 air purifier had the highest Clean Air Delivery Rate (CADR) when compared to 159 leading air purifiers. Extremely Effective at removing tobacco smoke, dust, pollen, and mold spores, animal dander and other indoor air pollutants.