Improve your indoor air quality with the GermGuardian 3-in-1 Air Purifier. Perfect for allergy sufferers, the HEPA filter captures 99.97% of dust and allergens as small as .3 microns in size! More than just a filter, the UV-C light kills germs, while the charcoal filter captures odors. Standing 22 inches tall, it is lightweight and ideal to use in rooms up to 167 sq. feet. Includes a UV-C control and a filter change indicator. Choose from 3 speeds, including a low speed that runs ultra-quiet.