ดักจับฝุ่น สารก่อภูมิแพ้ และแบคทีเรีย Usually, Air purifier corporations will show the CADR for contaminants like tobacco smoke, dust or pollen. By way of example, a pollen CADR of a hundred twenty five implies that the air purifier can clear away pollen and provide a hundred twenty five cubic feet of clean waiting for link from Social Network Posts (31)