... noise, light weight 3,with CE certificate Portable fanPortable blower, Portable ventilator(portable blower,air blower,exhaust fan) Size:8" 10"12" 14 ... -cast aluminum alloy,fan body and cover:galvanized steel,handle: die-cast plastics,cable length:3m motor: aluminum alloy,with America,Japan ... ventilate waste air,harmful gas,dust ect. high-speed portable fan with wheel