Improve your indoor air quality with the GermGuardian 4-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, while the charcoal filter reduces odors! More than just a filter, UV-C light helps reduce airborne bacteria, viruses, mold spores* and works with Titanium Dioxide to reduce volatile organic compounds. Standing 22 inches tall, it is lightweight and ideal to use in rooms up to 150 sq. feet. Includes a UV-C control and a filter change indicator. Choose from 3 speeds, including a low speed that runs ultra-quiet. *Tested with Staphylococcus Albus, and Escherichia Coli, Aspergillus Niger, and Phi-X174