Mr. Heater F299721. Features: 20,000 BTU per hour. For use with Natural Gas. Heats up to 500 sq. ft.. Blue flame burner for even convection heat. Thermostat for automatic temperature control. Automatic low oxygen shut-off system (ODS). Blower Fan Kit (F299200 Sold Seperately) - Available for 18K units and up only. 4500 ft high altitude restriction.
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Item# : SPM13424529817
Model # : F299721