... for the blower is 0°.Structure of Air BlowerAluminum housing air blower consists of air outlet, aluminum impeller, aluminum housing and motor. Cold-rolling steeling ... customized as per clients' 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)