GermGuardian AC5250PT, 3-in-1 Digital Air Cleaning System with Pet Pure Filter Treatment is perfect for pet allergy sufferers and has multiple levels of cleaning to capture allergens, kill airborne viruses, bacteria and mold spores and reduce odors. A True HEPA filter captures 99.97% of allergens including pet dander, pollen and dust mites, while UV-C light kills bacteria, viruses and mold spores. Great at reducing odors the Pet Pure filter is treated with an antimicrobial agent that inhibits the growth of odor-causing bacteria, mold and mildew. Standing 28-inches tall, it is ultra-quiet when running. It is CADR rated at 125 and is ideal for large and medium-size rooms.