Prevent heat buildup and supply air or air and light into truck trailers parked at loading dockswith 18" fan or 18" fan/light combination with adjustable arms. High-velocity, permanently lubricated fans have 3-speed CFM 2': 5750 high, 1/8 HP, 115V, 2.7 amps, single phase motors. Aluminum blades. Light accepts 150-watt or 300-watt bulbs. Arm has 12', 3-conductor cord. UL listed. Meets OSHA requirements. Easy plug in for fan and light.