... and handle flexible using, movable operation 3) Big power & high pressure & air volume Portable Blower (8",10",12",14",16",18 ... using, movable operation4) Large air flow and high pressure5) Connecting a fexible soft duct, high pressure under long distance6)Suitable for underground ... Power(w)Speed(r/min)Air-volume(m3/min)Total pressure(pa)Noise(dB(A)SHT-20200220/110150/602302800/33002524563SHT-25250220 ...