Featuring HEPA filtration, this air purifier has been engineered to help capture up to 99.97% of the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke¹. This air purifier features a VOC sensor that continuously monitors and provides real-time feedback on room indoor air quality through an easy to read, color-coded Air Quality Indicator display. When on Automatic Cleaning mode, the unit uses the air quality reading to automatically adjust to the optimal cleaning level for cleaner air. The HPA5200’s effective design and filtration can circulate and clean the air an amazing 4.8 times per hour in a large 360 square foot room.