Blower Wheel, Product Type Blower Wheel, Number of Inlets 1, Wheel Diameter 4 in, Wheel Width 1 1/2 in, Bore Diameter 1/4 in, Wheel Material Steel, Rotation CW Closed End, Wheel Hub Position Center, Wheel Construction Tabbed, Number of Blades 28, Includes Set Screws Yes, Includes Blower Wheel, Compatible with Brand Carrier