203SS
This same filter technology earned the larger BlueAir units Best of Class ranking in independent AHAM testing of Clean Air Delivery Rates. It uses more activated carbon for better smoke and gas removal and captures 99. ft. to help control heavy gaseous pollutants like cigarette and cigar smoke. The NEW Blueair 203 w/SmokeStop Filter is recommended in rooms as large as 175 sq. 1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander. 97% of the tiniest 0. The 203 provides comparable performance for mid-sized rooms.