501S The 501 Smoke Unit effectively purifies air in rooms as large as 620 sq. ft. 1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander. Using patented 2-Stage HEPASilent™ technology and the 3-Stage Progressive Filter structure, it captures 99. The 501 Smoke Unit uses a particle filter with active carbon. per min. 97% of the tiniest 0.
Our efficient SurroundAir™ vent system delivers exceptional air exchange (up to 500 cu.
Value-adding features include a warranty and easy maintenance: simply open the unit's lid, lift out and drop in filters every six months. ) without annoying drafts. The SmokeStop filter is recommended for use in rooms where heavy gaseous pollutants such as cigarette and cigar smoke or other VOC's are present.