Efficiently removes Dust, Smoke, Pollen, Mold spores, Animal Dander and other pollutants. Eliminates Odors like Cooking Gas, Volatile Organic Compounds, Benzene, Paint Bapors, Building Material Vapors and Formaldehyde. Kills bacterial, virus and germs. Advanced Ultra-Quiet Motor Technology and Energy Saving. Easy Replacement of Filters with no Tools. Ionizer and Ozone Free Technology. UV Sterilization Remote control Sleep mode Odor Detector and Indicator.