Replacement Blower Wheel Product Type Replacement Blower Wheel Wheel Type Radial Number of Inlets 1 Wheel Diameter 22 5/8 in Bore Diameter 1 11/16 in Wheel Material Steel Rotation CW/CCW Hub Type Not Applicable Wheel Hub Position Inside Maximum Speed 2 533 RPM Number of Blades 6 Blade Width 8 in Includes Set Screws Yes Includes Set Screws Compatible Grainger Part Number 3C108 Compatible with Brand Dayton