มีประจุลบดักจับมลภาวะทางอากาศต่าง ๆ Normally, Air purifier corporations will point out the CADR for contaminants like tobacco smoke, dust or pollen. For example, a pollen CADR of a hundred twenty five ensures that the air purifier can take out pollen and provide a hundred twenty five cubic feet of clean up air waiting for link from Social Network Posts (39)