Mr Heater 20,000 Btu Vent Free Blue Flame Dual Fuel Heater

Mr. Heater, MHVFDF20RBF, 20,000 BTU, White, Dual Fuel, Vent Free, Blue Flame Wall Heater With Thermostat, Operates On Either LP OR NG, Patented Dual LP/NG Low Oxygen Detection Systems, Patented Automatic Select Technology With Fail Safe Select Knob, Thermostatic Controls, Push Button Electronic Ignition, Tempered Safety Glass, Feet And Wall Mounting Hardware Included, Heats Up To 700 sq. ft.