BlueAir 500/600 Series SmokeStop Filter Kit

BlueAir 500/600 Series SmokeStop Filter Kit fits models 501, 503, 550e, 601, 603 and 650E. Three HEPASilent filters of polypropylene (equal particle efficiency) with more activated carbon for better smoke and gas removal. Its honeycomb-type structure improves airflow and has hundreds of odor absorbing carbon pellets.with three layers: a chipboard frame and outer layer, a pleat element, and a carbon element. SmokeStop filter is designed to treat cigarette smoke, acid gases, and ammonia. The filter uses a high content of granular carbon for increased efficiency, and its new carbon blend is designed to capture more compounds and gases to lower the pressure point. Genuine Blueair replacement filters.