... 8",10",12",14",16",18") 1) Aluminum Blade, Metal Frame2) Novel outlook, excellent craftwork, noverl style3) Suppoorter ... operation4) Large air flow and high pressure5) Connecting a fexible soft duct, high pressure under long distance6)Suitable ... -volume(m3/min)Total pressure(pa)Noise(dB(A)SHT-20200220/110150/602302800/33002524563SHT-25250220/110150/603202800 ... (8",10",12",14",16",18") with "A" supporter