201W The 201 provides comparable performance for small-sized rooms. 97% of the tiniest 0. Using patented 2-Stage HEPASilent™ technology, it captures 99. ft. The 201 effectively purifies air in rooms as large as 164 sq.
Value-adding features include quiet operation, low energy use, galvanized steel construction, a 3-Stage Progressive Filter, a 5-year warranty and easy maintenance: simply open the side, slide out used filters and drop in replacements every six months.
This same filter technology earned the larger BlueAir units Best of Class ranking in independent AHAM testing of Clean Air Delivery Rates. 1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander.