Single Inlet Blower Wheel, 5-1/4" Dia., CCW, 3450 RPM, 1/2" Bore, 3-7/16"W, Galvanized, Lau, Mfr#: 028957-40

single inlet blower wheels can be used to force air heated, cooled or ambient temperature to specific spot areas where moisture or some types of corrosives may destroy other alloys.