Blower Wheel, Product Type Blower Wheel, Wheel Type Forward-Curved, Number of Inlets 1, Wheel Diameter 8 1/2 in, Wheel Width 3 3/4 in, Bore Diameter 1/2 in, Wheel Material Steel, Rotation CCW Closed End, Hub Type Concave, Wheel Hub Position Inside, Wheel Construction Tabbed, Maximum Speed 2,200 RPM, Drive Type Direct Drive, Includes Set Screws Yes, Blade Shape Concave, Wheel Material Finish Galvanized