... Portable fanPortable blower, Portable ventilator(portable blower,air blower,exhaust fan) Size:8" 10"12" 14"16" 18" 20" Colors ... blue, ect.Main material: shutter: 7pcs dia-cast aluminum alloy,fan body and cover:galvanized steel,handle: die-cast plastics,cable ... ,it can move easily. Application: Our JIALONG series portable propeller ventilator has many strong points such as excellent function,light ...