Airocide Air Purifier Product Details Automatic Grade Semi Automatic Color Grey Features Easy to Install Wall or Ceiling Mounted Plug and Operate Advance Indicator Panels for easy trouble shooting Filter less technology Low Energy Consumption Low maintenance Green Technology Advantage Eliminates Micro-organisms(Bacteria, Virus, Mould, Fungi) Annihilates Anthrax Eliminates VOCs Eliminates Bad Odor Eliminates 99.99987% of all micro-organic airborne contaminants in a single pass