The Gator Fan Panel is a 3-space rack panel equipped with either 1 or 2 fans that are 4.5" in diameter. It is an ideal rack panel for racks that contain power amps or any other gear that generates heat.Cold rolled 16 gauge steel construction Black powder coated finish Flanged for rigidity Elongated, contoured vent holes 1 or 2 UL approved 110VAC 4.5" fans included