The ionbox 20m contains a powerful negative ion generator that releases up to 20 million negative ions per second. Negative ions are naturally found in the environment are created by electrostatic phenomena . These negative ions attach to any particulates in the air removing them from your breathable air space. Particulates such as: Smoke and Smoke Odor, Airborne Bacteria, Allergens, Pollen, Harmful Dust, Pet Odors, and Pet Dander, are effectively neutralized and removed from your breathing space. Enjoy air quality that is similar to the crisp, fresh air that is found at the beach, at the country-side, and in the mountains.