1,48 In 2,motor 1 h.p 3,Air Delivery24,000CFM 4,HIGH ... . 1 h.p. heavy duty, energy efficient aluminum motor.3. Fan blades designed by aerodynamic provide a maximal air performance.4 ... the optional cone, the air is guided through the fan during a prolonged stage and an even higher efficiency is ... obtained.Air Delivery(CFM) 24,000Fan Motor(h.p.) 1Voltage (V) 115/220 Dimension w*h ...