Improve your indoor air quality with the GermGuardian Air Purifier. Perfect for allergy sufferers, the HEPA filter captures 99.97% of dust and allergens as small as .3 microns in size! The charcoal filter reduces common odors in the home such as odors from pets, smoking and cooking. Standing 22 inches tall, this air purifier is lightweight and easily portable from room to room. The tower unit is deal to use in medium sized rooms up to 153 sq. feet. This air purifier features top-mounted easy to use manual controls, 3 speeds and a filter change indicator. Your purifier is only as powerful and effective as the filter you put inside, and our Genuine GermGuardian replacement parts are essential for maintaining product performance. Each filter or bulb is designed specifically for a particular unit style. Not only will genuine replacement parts fit like a glove, but they also have the combination technology to match so that you can get the most out of your air purifier. CADR rating: Smoke (99), Dust (112), Pollen (131).