Whats in the box The WHF100 Dyna-Glo heater fan is a replacement fan complete assembly, it comes with 4 feet long three prong plug, built-in thermostat, mounting screws. Applicable Models of The WHF100 Blower FanThe Vent Free Wall Heater Fan is designed to fit a number of heaters, including many models from Mr. Heater, Comfort Glow, Dyna-Glo Heaters. See our compatibility chart in below description. Please be sure to compare our dimensions with your heater's available clearance and dimensions before ordering. Fits forReplacement WHF100 Heater Fan for Dyna-Glo BF30PMDG 30,000 BTU, Dyna-Glo BF30NMDG-4 30,000 BTU, Dyna-Glo BFSS30LPT-2P 30,000 BTU, Dyna-Glo BF20NMDG 20,000 BTU, Dyna-Glo BFSS30NGT-4N 30,000 BTU, Dyna-Glo BF20NMDG-4 20,000 BTU, Dyna-Glo IRSS30NGT-2N 30000 BTU, Dyna-Glo BFSS20NGT-2N 20,000 BTU, Dyna-Glo BF20PMDG-4 20,000 BTU, Dyna-Glo BF10PMDG-4 10,000 BTU, Dyna-Glo IRSS18LPT-2P 18000 BTU, Dyna-Glo BFSS10NGT-2N 10,000 BTU, Dyna-Glo IRSS18NGT-2N 18000 BTU Vent