มีประจุลบดักจับมลภาวะทางอากาศต่าง ๆ Commonly, Air purifier firms will indicate the CADR for contaminants like tobacco smoke, dust or pollen. For instance, a pollen CADR of a hundred twenty five means that the air purifier can clear away pollen and provide a hundred twenty five cubic feet of clear air per minute. waiting for link from Social Network Posts (7)