American Gas Lamp Works Cosmopolitan 1600W 21" Weather Green Residential Wall Mount Aluminum Natural Gas Lamp With Triple Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Bishop Finial natural-gas-to-propane Steel frame contains four concealed Log Set:Driftwood Log Set 12M18A h49.5 Conversion Kit Natural Gas

American Gas Lamp Works Cosmopolitan 1600W 21" Weather Green Residential Wall Mount Aluminum Natural Gas Lamp With Triple Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Bishop Finial natural gas to propane Steel frame contains four concealed Log Set:Driftwood Log Set 12M18A h49.5 Conversion Kit Natural Gas Steel frame contains four concealed wooden blocks to prevent premature wear of floors TOUGH GUY Emitter tubes use heat treated aluminized steel tubes that that can withstand higher operating temperatures than other conventional tube materials and is very absorptive of the flame on the inside of the tube and very emissive on the outside