AeraMax 300 Large Room Air Purifier Mold, Odors, Dust, Smoke, Allergens and Germs with True HEPA Filter and 4-Stage Purification Air purifier features True HEPA filter with AeraSafe antimicrobial treatment and carbon filter for four-stage filtration process that captures 99.97% of airborne particles An odor eliminator that also captures mold, dust, germs and smoke-ideal for allergy and asthma sufferers. Filter Type : Carbon. True HEPA with AeraSafe Antimicrobial Treatment Automatic air purifier performance with AeraSmart Sensor that monitors the air quality and automatically adjusts the fan speed to keep your air purified Certified asthma & allergy friendly by the Asthma and Allergy Foundation of America Recommended for large sized rooms from 300 to 600 square feet