Product Detail Ideal for large rooms, Maximum Coverage Area: 580 sq. ft. or approximately 24 ft. x 24 ft. area Air Delivery (with new filters installed) per Speed: 88 to 490 Cubic Feet Per Minute Filter Efficiency: 99.97% of 0.1 micron particles on Speed One Energy Consumption (Max): 35-120 Watts Product Dimensions: 26 x 20 x 13 . The "BlueAir 503 HEPA Silent Air Purifier" is best product for you. We recommended BlueAir 503 HEPA Silent Air Purifier