American Gas Lamp Works Bavarian 1200W 21" Noble Bronze Residential Wall Mount Aluminum Natural Gas Lamp With Dual Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Brass Loop Finial zero-clearance 000 Average overall efficiency - EWCL18NV Fireplace Style Single w20.4 1000W - WM6 - NG - OFD - G9B - F06 - WH Fits in Fireplace:48-inch See-thru/60-inch/72-inch

American Gas Lamp Works Bavarian 1200W 21" Noble Bronze Residential Wall Mount Aluminum Natural Gas Lamp With Dual Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Brass Loop Finial zero clearance 000 Average overall efficiency EWCL18NV Fireplace Style Single w20.4 1000W WM6 NG OFD G9B F06 WH Fits in Fireplace:48 inch See thru 60 inch 72 inch 000 Average overall efficiency HHV 69 % Average overall efficiency LHV 74 % Optimum efficiency 77 % Burn Time 8 Hour Diameter Flue 6 inch Maximum Log Length 20 inch Mounting Location Freestanding Decorative Style Classic Traditional Dimensions 000 Average overall efficiency HHV 70 % Average overall efficiency LHV 75 % Optimum efficiency 78 % Burn Time 6 Hour Diameter Flue 6 inch Maximum Log Length 18 inch Mounting Location Freestanding Decorative Style Classic Traditional Dimensions