ventilator motor 84/20,our motors are approved by CE,TUV,UL and ... recognized by many overseas clients,for gas hood. ventilator motor 84/20has ROHS CE CCC CSA TUV UL ISO certificationsMain applications ... :1)direction: CW,CCW2) working mode: continuous3) insulation: A,E,B,F4) we can design according to customer requirement, like shaft ...