Mr Heater F299821 (MHVFRD20NGT) Vent Free Radiant Natural Gas Heater, 20,000 BTU, 3 Plaques Misc Non - Well Pumps Uses clear medium base bulbs

Uses clear medium base bulbs 60 watt maximum (sold separately)

Clips on outside of bowl

Stronger than the wood it replaces with little to no shrinkage

Hardened boron alloy shackle for superior cut resistance

Burn Time : 1000 hour

Mr Heater F299821 (MHVFRD20NGT) Vent Free Radiant Natural Gas Heater, 20,000 BTU, 3 Plaques Misc Non - Well Pumps Uses clear medium base bulbsHighlights: 20,000 BTU per hour No. Of Plaques : 3 For use with Natural Gas Heats up to 500 sq. ft. Radiant heat burner Thermostat for automatic temperature control Automatic low oxygen shut off system (ODS) Legs and wall mounting hardware included 4500 ft high altitude restriction Equipped with a multi output valve for easy temperature regulation and a convenient Piezo ignition built right into the rotation of the knob for one handed ignition Unit