The Best Air Cleaner (Medium).
The Hammacher Schlemmer Institute tested home air cleaners at a nationally accredited lab, and this high capacity all-steel unit has consistently outperformed all others tested. At the two lowest fan settings, it was virtually silent. At higher settings it can achieve a Clean Air Delivery Rate of 315.5--35% more efficient than the next best cleaner tested. It has three mechanical filters, which remove bacteria, pet dander, spores, and textile dust from indoor air. At the higher fan setting, it changed the air in a 22' x 25' room 21 times. Four speed fan, including "Max Clean" for intense or quick air cleaning. From a manufacturer listed by the FDA as a "Medical Device Establishment." Galvanized steel. Includes three filters. Large. Ideal for a 580' sq. room. 26" H x 20" W x 13" D. (35 lbs.)