Filter,HEPA,active carbon,ari passage,fan and motor,installation board,TiO2 photo-catalyst,UV,baffe,Nano ... -filter3. Electrostatic Precipitator 4. Air passagel 5. HEPA 6. Centrifugal fan7. Motor 8. Electrical machinery shelf9. Installation board 10. Universal ... display frame 26. PC panelShenZhen Nanbai Enterprise Co.,LtdFactory Add: 6#, Xufa Industrial Park, Gongming Town, Baoan District, Shenzhen, ...