Danby Air Purifier up to 210 sq.ft, Carbon Activated Pre-filter helps reduce odors from pets, smoke, and cooking, TRUE HEPA Filter (Captures 99.97% of airborne particles 0.3 microns), Ideal for 210 Square Feet Area with high CADR (Smoke 143, Dust 145, Pollen 228), 3 Fan Speeds with Electronic Control