Master, 48", 2 speed, high capacity belt drive barrel fan, rock solid wheels for portability, durable steel construction, 4 blades, built-in handle, 17,200/10,600 air flow cfm, 1 hp motor, 120v/60hz/9.2, 10' grounded power cord, provides air circulation where & when it's needed, making it useful on the factory floor, warehouse or in a barn with livestock.