Austin Air FR400A Health-Mate Filter Air Purifier, Standard, 1 Black

Removes 99.97% of all particles larger than 0.3 microns and 95% of all particles larger than 0.1 microns.. of True Medical Grade HEPA. ft. STAGE 4 ? 60 sq. STAGE 3 ? Over 780 cubic inches of Activated Carbon and Zeolite.  Removes chemicals, gases and odors. molds, spores and pollen). Removes small to medium size particles (e.g. STAGE 2 ?Medium Particle Pre-filter. dust, hair and pet dander). Removes particles easily seen by the naked eye (e.g. STAGE 1 ?Large Particle Pre-filter