Homage Air Purifier HAP-403DWBCADR380 m h , ideal for 30 45m area H13 True HEPA filter with Pre filter and Active Carbon Filter, for strong filtering out harmful substances (99. 97% of microscopic allergens, reduce odors and certain germs) Activated carbon filter, effective adsorption of odors and harmful gases Net ion technology to automatically capture and inactivate germs 3 settings including Auto, Turbo, Silent mode 4 color LED display of PM2. 5 content in the air Silent mode