15 Inch Flex-A-Lite Black Magic S-Blade Reversible Electric Fan With Adjustable Thermostat Controller (pusher-puller) S-blade cooling fan with an injection-molded nylon shroud moves 3000 cfm of airflow, producing less noise while moving more air through the radiator than other cooling car accessories and truck accessories Automotive fan with overall dimensions of 18 x 16 x 4-1/4 inches includes an integrated adjustable thermostat controller with A/C relay This 12-volt, 19.5-amp fan can be mounted as a puller to replace a belt stock fan or as a pusher fan to reduce excess heat from your engine Use as a primary engine fan or an auxiliary fan for additional cooling