1,Air Purifiers With Negative ion EH-0036B 2,2*10000000 ions 3,UV,active carbon,HEPA... 4,99.97% filter rate ... 5,300 cbm/h New Model Air Purifier With Negative ion ... according to the induction of air purifier and grade to adjust air purification speed5,UV,Photocatalyst TiO2,Negative lons,Action carbon ,Hepa filtration ...