1).With 100% copper 2).Supporter and handle flexible using, ... movable operation4) Large air flow and high pressure5) Connecting a fexible soft duct, high pressure under long distance6)Suitable for ... )Air-volume(m3/min)Total pressure(pa)Noise(dB(A)SHT-20200220/110150/602302800/33002524563SHT-25250220/110150/603202800/33004329468SHT- ... Series Portable Blower(8",10",12",14",16",18") with "A" supporter