Blower Wheel Product Type Blower Wheel Wheel Type Forward-Curved Number of Inlets 1 Wheel Diameter 8 in Wheel Width 4 in Bore Diameter 1/2 in Wheel Material Aluminum Rotation CW Closed End Hub Type Convex Wheel Hub Position Inside Wheel Construction Tabbed Maximum Speed 1 850 RPM Drive Type Direct Drive Includes Set Screws Yes Wheel Material Finish Aluminum Plated