Eliminates smoke, odors, tobacco smoke, chemical gases. Kills mold, mildew, fungi, bacteria, and viruses. Reduces dust, dust mites, pet dander, pollen, or any other pollutant. Removes odors from your home, office, car, boat, RV, etc. Instantly improves the quality of air indoors. Helps control additional dust and dander. Customizable to your environment using simple controls on the front. Quiet in operation. Same technology as the one used successfully in Pentagon to treat indoor air pollution after 9/11!