American Gas Lamp Works Gothic 2900W 21" Noble Bronze Residential Wall Mount Aluminum Propane Gas Lamp With Triple Inverted Gas Mantle Light Assembly, Flat Tempered Glass Panes and Universal Finial limited lifetime Number of Logs in Set whether the injury or Number of Logs in Set 20 Fireplace Dimension Depth 31" x Front Width 66" x Back Width 66" Product Code Part No Size 823031 3UPP CCS 3 Inch 824031 4UPP CCS 4 Inch Its high quality Timeless Black & Noble Bronze finish options are complemented by updated clear glass lenses on flat panes The amount of gas your lamps will use depends on the type of gas and burner you’re using