12" High Performance Electric Radiator Cooling Fan - Curved Blade 12 inch high performance universal electric radiator cooling fan. The fan is a 10 piece curved blade type. The motor is reversible and the fan is 12 Volt 2134 RPM and 2200 CFM. The high torque motor features sealed ball bearings and fully balanced blades which insure low noise levels and a long life of smooth operation. Dimensions: 13" x 12" x 2".