Alfresco 56 Inch Grill with 998 sq. in. Grilling Surface, Three 27,500 BTU Main Burners, Infrared Sear Zone™, Integrated Rotisserie, Smoker and Herb Infuser System, 3-Position Warming Rack, Halogen Lighting and Refrigerated Cart: Liquid Propane : Brochure 2017 : Page 12