About The Item: Package Includedthe Heater Fan Kit Includes Power Supply With 3-prong Plug, 4ft Cord, Built In Thermostat, Mounting Screws. The Whf100 Heater Fan Is Fits For Dyna-glo, Mr. Specificationsthe Heater Fan Dimension: 6-1/8 “l X 5-5/16 “w. Easy To Install, 4 Holes To Mount, 5-1/2″ Apart Left To Right, 4-3/4” Apart Top To Bottom. You Can Use Pre-drilled Holes To Mount To The Back Of The Cooker To Improve Heat Circulation. Volts: 120v, Frequency: 60 Hz, Pow.