The Honeywell InSight Series Air Purifier delivers powerful HEPA filtration and features a cutting-edge design that displays device setting information from a distance. The easy to read color coded feedback on the clear Insight Display Panel will illuminate which cleaning level 4 available you’ve selected. The Honeywell InSight HPA5100 HEPA Air Purifier uses Certified HEPA filters to help capture up to 99.97% of microscopic allergens and particles.1 This portable air purifier can help capture airborne particles such as dust, smoke, pollen, pet dander and mold spores in medium to large rooms 4.8 x air changes per hour in a 190 sq. ft..2 This makes it an excellent choice to use as an air purifier for allergies or as a pet air purifier. In addition, the carbon activated pre-filter helps trap larger particles and helps reduce odors and VOCs volatile organic compounds.