402S
Value-adding features include quiet operation, low energy use, galvanized steel construction, a 3-Stage progressive filter, a warranty and easy maintenance: simply open the side, slide out used filters and drop in replacements every six months. ft. 97% of the tiniest 0. The 402 Smoke Unit provides comparable performance for mid-sized rooms. The 402 Smoke unit uses a particle filter with active carbon. Using patented 2-Stage HEPASilent™ technology, it captures 99.
This same filter technology earned the larger BlueAir units Best of Class ranking in independent AHAM testing of Clean Air Delivery Rates. The 402 Smoke Unit effectively purifies air in rooms as large as 365 sq. 1 micron particles on Speed One, including allergy-provoking pollen, dust mites, mold spores, and pet dander.