The Fan $239.00 12 inch / Push - $239.00 14 inch / Push - $249.00 16 inch / Push - $259.00 12 inch / Pull - $239.00 14 inch / Pull - $249.00 16 inch / Pull - $259.00 18 inch / Push - $339.00 18 inch / Pull - $339.00 Quantity Please Choose Sensor Type. High Performance Brushless Cooling Fan. This is just the fan, No ECM. Each fan requires an ECM to operate.