48 In. 1 h.p. HIGH PERFORMANCE , Air Delivery24,000CFM Advantages of our products:1. Durable one-piece molded plastic polyethylene housing.2. 1 h.p. heavy duty, energy efficient aluminum motor.3. Fan blades designed by aerodynamic provide a maximal air performance.4. A low noise level is another advantage obtained by the special layout.5. PVC Shutters and all accessories are corrosion-proof. 6. ...