Billow 72 Inch Glow Plug Rectangular Powder Coated Steel Propane Fire Pit in Black By The Outdoor Plus. OPT-BLWPC72EKIT-BLK-LP. Gas Fire Pits. Inspired by the crashing waves of the Pacific Coast, the Billow Fire Pit offers a stunning and elegant addition to your outdoor space. Made from Steel with a Black Powder Coat finish and handcrafted in the USA. Powder coated steel offers a strong resistance to rusting, cracking, chipping, peeling, and scratching allowing it to maintain its signature sleek appearance for many years with little to no maintenance. Use the included Lava Rock or upgrade to a beautiful selection of Fire Glass. If upgrading to Fire Glass, 75 pounds is recommended. The 304 Stainless Steel burner produces a maximum 90,000 BTUs. Key valve accepts half inch male fitting hose. This Steel Fire Pit has a surrounding area of 72 W x 24 D x 24 H with a burning area of 60 W x 12 D x 2 H. Burner pan features multiple drainage holes for proper water runoff. This unit includes a half inch Liquid Propane Air Mixer and electronic ignition system that will relight your fire pit if wind blows it out. The electronic ignition can be wired by your local electrician to be controlled by a light switch, pool controller (with available relay), or home automation system. The Liquid Propane-Air Mixer is designed to allow air to enter the gas stream. The added air will reduce the amount of soot produced and the amount of propane used, providing a more natural appearing flame.