Bemis 200-00 200 CFM True HEPA Air Purifier True HEPA air purifying system to improve home air quality Cleans the air in a 17-by-20-foot room every 12 minutes Clean Air Delivery Ratings: pollen 215, dust 220, and smoke 220 3-speed airflow control and illuminated FilterWatch sensor 16-1/2 by 12 by 19-1/2 inches, casters included; 16 pounds