Blueair 203 Room Air Purifier - White Low power usage means that you can run this air cleaning system 24/7 without a jump in electricity consumption Sophisticated materials and precision engineering allow the filter to clean indoor air without the noise associated with less advanced units Size 21H x 17W x 9.5D / Weight 25 lbs 3 Speeds / Airflow Rate @ speed 1,2,3 - 80, 115, 140 CFM CADR Smoke 128, Dust 134, Pollen 140