Germ Guardian 3-in-1 Digital Air Cleaning System: * Processes the air in approximately 155 sq ft per hour * Pre-filter: captures large particles like dust and pet hair * True HEPA filter: captures 99.97 percent of allergens as small as .3 microns * Pet pure treatment: filter treated with an anti-microbial agent to inhibit the growth of mold, mildew and odor-causing bacteria on the surface of the filter * Activated carbon filter: removes odors and smoke particles * UV-C light: works with filters to kill airborne germs and bacteria * CADR rated 100+ * 3-year limited warranty * Stands approximately 22" tall * Model# AC4850PT