Fasco Blower Wheel, Single Inlet, 4 Inch Wheel Dia, 2-12 Inch Wheel Width, 14 Inch Bore, Steel Wheel, CCW, 3600 Rpm, Galvanized Rotation viewed side opposite hub Standard Approvals: UL Listed, CSA Certified Application: Condensers, Draft boosters, Flue exhaust, Furnaces and Small Appliances