... ions 3,UV,active carbon,HEPA... 4,99.97% filter rate 5,300 cbm/h New Model Air Purifier With Negative ... can be according to the induction of air purifier and grade to adjust air purification speed5,UV,Photocatalyst TiO2,Negative lons,Action carbon ,Hepa ... filtration core6,suitable for hotel,home,office and so ...