Device Description : The Defender Room Air Cleaner ("Defender") is a portable, mechanical air filtrat (View more) The Defender Room Air Cleaner ("Defender") is a portable, mechanical air filtration systemdesigned for single use int he home environment. It is configured as a circular unit with aprotective outer housing, a pleated fiberglass filter that exceeds HEPA filters in both efficiencyand particulate size, and an oxygen activated charcoal filter (HEGA) to remove gasses andodors. During operation, air is drawn into the lower assembly, passes through the upperassembly providing a 360-degree flow of air. The unit is equipped with a scent generatorpowered by a small heating element. Outlet filtered air passes through the scent generatorand out from the top of the unit.The Defender is intended to filter indoor air to remove micro-particles as small as 0.1 micron insize. Including dust, pollen, smoke, dust mites allergens, cockroach allergens, bacteria, moldand pet allergens. The Defender is also intended to remove Tobacco smoke and otherhousehold odors. (View less)