The contractor’s series of ventilation products is the latest addition to Air Systems’ ventilation product group. Known for product quality and performance, Air Systems offers a rugged portable polyethylene fan line designed to accommodate a variety of applications as well as demanding job site conditions at an economical price. 1/3 HP, 8 inch fan, 115 VAC, 60Hz. 10 ft cord. Weight: 15 lbs. 974 cfm, free flow. 786 cfm, 15ft duct, 1 - 90° bend. 661 cfm, 15ft duct, 2 - 90° bends.