Allergens， germs and odors， beware With a HEPA filter， it captures 99.97% of dust and allergens as small as .3 microns in size A large activated granular carbon filter attacks common household odors including those caused by smoke， cooking and pets. And， it works to reduce the many VOC s that are emitted by common household products and cleaning chemicals. UV C light technology helps to kills germs including staph， influenza and rhinovirus. The Ionizer option can be turned on/off. When on， it helps boost allergen control by attracting microscopic particles from the air which are then captured by the HEPA filter. The easy to use panel includes UV C control， a filter change indicator and an up to 6 hour timer. The purifiers stands 27" high and provides powerful air cleaning in rooms up to 335 sq. feet. Choose from 3 options for dan speed including an ultra quiet mode for light sleepers. Plastic and Electric See Product Manual Request warranty information