303SS 97% of the tiniest 0. ft. 1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander. The NEW Blueair 303 w/SmokeStop Filter is recommended in rooms as large as 225 sq. It uses more activated carbon for better smoke and gas removal and captures 99.
This same filter technology earned the larger BlueAir units Best of Class ranking in independent AHAM testing of Clean Air Delivery Rates. to help control heavy gaseous pollutants like cigarette and cigar smoke.
Value-adding features include quiet operation, low energy use, galvanized steel construction, a 5-year warranty, and a convenient Change Filter Indicator that reminds you to change your filters every six months.