Weber part # 69797, 5 Pack, Porcelain Enameled Flavorizer Bars Set of 5, Fits Most Front Mounted Control Panel Spirit 300 Series Grills. Each Bar Measures approximately 15-1/4 in length and 2-1/2″ Tall Same as Weber part # 7636 307636 Please visit Weber’s website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. Their site will also help you find the alpha-numeric number. http://help.weber.com/schematics/#serial-number