... the blower is 0°.Structure of Air BlowerAluminum housing air blower consists of air outlet, aluminum impeller, aluminum housing ... by file finishing, the impeller is adjusted by static balance and dynamic balance, and it has the ... ' requirement.Picture: air blower, air blower, air blower, air blower, air blower, air blower, air blower, air blower, air blower Aluminum Housing Medium Air Blower(YYF Series ...