Product details:

Operates quietly to help remove up to 99 percent of airborne particle such as pollen, dust, mold8, pet dander and smoke, providing relief from odor and irritants in the air. Maximum dust removal traps and locks 30 percent more dust and particles. Hepa-type filter captures particles as small as 2 microns so you can breathe comfortably. Hepa-type filter helps remove up to 99 percent of airborne particlesvisipure filter viewing window allows you to see when its time to replace your filter.