American Gas Lamp Works Vienna 1000H 11" Charcoal Gray Residential Post Mount Aluminum Propane Gas Lamp With Single Upright Gas Mantle Light Assembly, Flat Tempered Glass Panes and Urn Finial accessory Paints over a stained powder coated Shade:Natural Linen (7" x 18" x 10.5") Paints over a stained powder coated exterior This 20 Year Limited Warranty applies only if the Product is installed in the United States or Canada and only if operated and maintained in accordance with the printed instructions accompanying the Product and in compliance with all applicable installation and building codes and good trade practices With one look The amount of gas your lamps will use depends on the type of gas and burner you’re using