The 15 Inch Flex-A-Lite Black Magic S-Blade Reversible Electric Fan is a fully shrouded automotive fan designed to help increase engine power and torque when used as a belt-driven fan replacement. This cooling fan moves 3000 cfm (cubic feet per minute) of airflow, featuring a single-piece nylon shroud and eight S-blades with a continuous outer ring that provide quieter and more efficient operation than other cooling car accessories while directing all airflow to the radiator core. With overall dimensions of 18 x 16 x 4-1/4 inches, this car fan draws 19.5 amps from a 12-volt power supply and is built in the USA with globally sourced materials. Easily configure this radiator fan as a puller or use it as an auxiliary pusher fan to reduce excess heat from your engine. It includes an integrated adjustable thermostat controller with an A/C relay that eliminates the need for additional electronic controls. Choose the Flex-A-Lite Black Magic S-Blade Reversible Electric Fan to protect your engine and enjoy better cooling performance as a primary or auxiliary fan.