Blower Wheel, Product Type Centrifugal Blower Wheel, Wheel Type Forward-Curved, Number of Inlets 2, Wheel Diameter 11 in, Wheel Width 10 11/16 in, Bore Diameter 1/2 in, Wheel Material Steel, Rotation CW Closed End, Hub Type Convex, Wheel Hub Position Off-Center, Wheel Construction Riveted, Maximum Speed 1,500 RPM, Drive Type Direct Drive, Number of Blades 48, Blade Width 1 in, Includes Set Screws Yes, Blade Shape Concave, Compatible with Grainger Part Number 4XLE2, Compatible with Brand Dayton