The 4-in-1 Air Purifier is perfect for allergy sufferers. With a HEPA filter, it captures 99.97% of dust and allergens as small as 0.1 microns* in size, while the charcoal filter captures odors! More than just a filter the UV-C light helps reduce airborne bacteria, viruses, mold spores** and works to reduce volatile organic compounds This air purifier circulates the air 1x per hour in 870 square foot rooms and 4.8x per hour in 180 sq. ft rooms, making it ideal for medium to large sized rooms such as: dorm rooms, bedrooms, and other living areas. The easy to use digital display panel includes UV-C control, a filter change indicator and an up to 8 hour timer. 5 speeds provide high speed allergen control down to ultra-quiet sleep mode. The Elite Collection provides both form and function to provide a superior air cleaning system. The simple, stylish design looks great in any home environment. *Initial efficiency value. As small as 0.1 microns from the air passing through the filter media. **Tested with Staphylococcus Albus, and Escherichia Coli, Aspergillus Niger, and Phi-X174