Replacement Blower Wheel Product Type Replacement Blower Wheel Wheel Type Radial Number of Inlets 1 Wheel Diameter 15 5/8 in Bore Diameter 1 3/16 in Wheel Material Steel Rotation CW/CCW Hub Type Not Applicable Wheel Hub Position Inside Maximum Speed 3 667 RPM Number of Blades 6 Blade Width 5.5 in Includes Set Screws Yes Includes Set Screws Compatible with Grainger Part Number 3C106 Compatible with Brand Dayton