... the blower is 0°.Structure of Air BlowerAluminum housing air blower consists of air outlet, aluminum impeller, aluminum housing ... surface for fan and foundation, but also the joint of ducting for air inlet should be adjusted ... 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 ...