Danby Air Purifier up to 210 sq.ft 3 Fan Speeds with Electronic Control TRUE HEPA Filter (Captures 99.97% of airborne particles 0.3 microns) Carbon Activated Pre-filter reduces odors from pets, smoke and cooking Ideal for 210 Square Feet Area with high CADR (Smoke 135, Dust 145, Pollen 228) Filter Replacement Indicator Silencer Technology: operates as low as 30dB (low fan speed). ENERGY STAR® rated, AHAM Verifide, ETL Certified 24-month warranty on parts and labor with carry-in service