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Mr. Heater 20K BTU Natural Gas Blue Flame Heater with Built In Vent Free Blower
Heater Vent Free Blower Fan Kit for 20K and 30K Units. Also, with a battery-powered electronic ignition, starting it is a breeze - battery included.
20,000 BTU per hour. This unit can only be added to the Mr. Heater 20,000 and 30,000 BTU heaters made in 2016 and current models.