Product Detail 10 years Hepa Efficiency: 99.97% at .03 microns|CADR: Smoke 438, Dust 400, Pollen 450|Coverage Area: 679 squa null Measures: 20 inches by 13 inches by 26 inches |Unit Weight: 35 pounds|Power Consumption: 35 - 120 w . The "Blueair 601 HEPASilent Air Purifier" is best product for you. We recommended Blueair 601 HEPASilent Air Purifier