Indoor air is 5x's more polluted than outdoor air according to the EPA. With its exclusive technology and 4 stages of filtration, The New Rowenta Intense Air is the ONLY air purifier on the market that filters 99.97% of indoor pollutants including dust, pollen, pet dander, virus, bacteria, mold and more. Carbon filters eliminate offensive odors and harmful toxins and permanently destroys formaldehyde, the MOST dangerous indoor pollutant. This unit covers large rooms up to 835 sq feet.