The Tower Air Purifier is perfect for allergy sufferers. The HEPA Pet Pure Filter captures 99.97% of allergens including pet dander, dust mites, and pollen. The Pet Pure is an antimicrobial agent added to the filter to inhibit the growth of mold, mildew and odor-causing bacteria on the surface of the filter. More than just a filter, UV-C light helps reduce airborne bacteria, viruses, mold spores*, and works to reduce volatile organic compounds. Circulates the air 1x per hour in 915 square foot rooms and 4.8x per hour in 189 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. *Tested with Staphylococcus Albus, and Escherichia Coli, Aspergillus Niger, and Phi-X174.