Blower Wheel Product Type Blower Wheel Wheel Type Forward-Curved Number of Inlets 1 Wheel Diameter 4 1/4 in Wheel Width 2 15/16 in Bore Diameter 1/4 in Wheel Material Steel Rotation CCW Closed End Hub Type Convex Wheel Hub Position Inside Wheel Construction Strip Maximum Speed 4 500 RPM Drive Type Direct Drive Includes Set Screws Yes Wheel Material Finish Aluminum Plated Application Air Handling Units Blower Coil Units Fan Coil Units Unit Ventilators VAV Terminal Units