The Alen BreatheSmart 75i is ideal for large, open-concept spaces including living rooms, bedrooms, lofts, apartments, offices, kitchens, basements and more! Our most powerful unit, it cleans 1300 SqFt every 30 minutes. Not only powerful, but one of the quietest air purifiers available. Alen''s True HEPA-Fresh filter removes airborne allergens, dust, pollen, fur, pet dander, household odors PLUS smoke from cigarettes, cigars, cooking, wildfires, and VOC fumes from chemicals and aerosol sprays. The True HEPA-Fresh filter contains an activated carbon layer that absorbs smoke, cleaning solution fumes, and toxic smells to help prevent respiratory issues. It includes a Medical Grade H13 True HEPA layer that removes 99.99% bacteria, aerosolized viruses, and airborne particles larger than 0.1 micron. A Laser Smart Sensor detects airborne particles and self-adjusts to address the challenges of your ever-changing environment. The LED color display allows you to see your air quality briefly. Built to run continuously, the AUTO mode is controlled by the Smart Sensors which detect the pollutant in the air and will automatically speed the fan up or down and change the air quality light indicator. The BreatheSmart 75i is incredibly quiet, and perfectly tuned to only generate soothing pink noise - a frequency to help you sleep up to 25% better. It has five fan speed options; the lowest produces a small frequency, like a whisper. The CFM (airflow in Cubic Feet per Minute) includes 5 speeds and noise levels: Speed 1: 95 CFM; Speed 2: 170 CFM; Speed 3: 238 CFM; Speed 4: 280 CFM; Turbo: 350 CFM. Noise levels Speed 1: 25 dB; Speed 2: 33 dB; Speed 3: 39 dB; Speed 4: 44 dB; Turbo:49 dB. It has a modern and stylish design to fit into any decor! It can be used in any space up to 1300 Square Feet and has low energy consumption - 45 watts on Turbo speed. Includes: 1 BreatheSmart 75i Air Purifier, 1 True HEPA Filter (Sku: B7-Pure), 1 Panel