Air purifiers use two completely different programs: either a steady air filtering system that doesn’t detect or monitor high air quality or a different efficient automated filtering technique that uses sensors to detect particles and alter their operation accordingly. It features an updated multi-layered HEPA filter that’s said to be simpler in filtering out micro organism, mold, mud, and even viruses. It additionally has a true HEPA filter that can seize and neutralize 99.97% of airborne allergens, including dust, mold spores, pollen, and more. Compact sufficient to fit on your desk and designed to filter up to about 300 sq. toes, this compact Levoit model is equipped with a HEPA filter that removes 99.97% of dust, pollen, smoke, odor, mold spores, and pet dander.