... price,fine quality,satisfying service CE certificate Portable blower, Portable ventilator(portable blower,air blower,exhaust fan) Size:8" 10"12" 14 ... structure,it can move easily. Application: Our JIALONG series portable propeller ventilator has many strong points such as ... ship building or welding, laboratory ,warehouse to ventilate waste air,harmful gas,dust ect. Model specification (mm)voltage(V~) ...