Blueair 403 HEPA Silent Air Purifier
Blueair 403 HEPA Silent Air Purifier Air purifier with near silent operation is ideal for rooms up to 365 square feet at five air changes per hour. It is 99.97% efficient for particles down to 0.1 micron in size, and is made of a superior all steel construction. The Blueair 403 efficiently and quietly removed indoor air pollutants using patented HEPASilent" three-stage filtration technology that combines mechanical and electrostatic filtration, and specially designed active carbon filters. Energy Star certified purifier features three speeds, filter change indicator, Measures 23 6/10" H x 21 1/10" W x 13" D. Five-year warranty. UL listed. Model # 403.