The Humanscale Zon Air Purifier is a small wonder of modern engineering, offering state of the art air purifying. Zon addresses your indoor air crisis with patented air cleaning technology. With clean-air technology developed in Sweden, Humanscale air purifiers achieve what few other air cleaning devices can: surround the user in a Clean Air Zone that’s free of pollutants, dust and biological contaminants. The Humanscale Zon Air Purifier also offers silent, breeze-free and ozone-free operation.