... HEPA,photo catalyst,Activated carbon, ions air purifier with humidifier:Model:B-858Product size:193*210*682(mm)Voltage supply ... technologiesClassic and original design,best air purifier.Excellent performance with high CADR,intelligence technology make it easy to usePatent protected ... ,opration more easy.Three fan speed controls:low,middle,high.UV/TIO2 photocatalyst: Kills essentially all bacteria, mold ...