 | Sunheat Mountainaire MA-4000 Air Purifier. The Mountainaire six stage whole home purifier system cleans the air using HEPA filtration, Ionization, Photo-catalytic Oxidation (PCO) and adjustable Ozone generation. The MA-4000 removes odors caused by pets, tobacco smoke and cooking as well as trapping and eliminating particles as small as 0.01 to 0.3 microns.... - Sunheat Mountainaire MA-4000 Air Purifier. |