air purifier: A. 7 stages purifycation systems B. ionic air cleaner with washable HEPA and ... , dust, pollen, smoke, fume, mildew, etc. Model# HMA-300/CHO Serials Specification:Negative ion + UV light ... watt Function:1,Photocatalyst:High efficiency degradation air the poisonous and harmful gas, effectively kill ... products can remove particles as small as 0.01 micron Eliminate dust, pollen, mildew, mold, ...