Spirit® E-320TM 3 Stainless steel burners 36,000 BTU-per-hour input 12,000 BTU-per-hour input side burner Electronic Crossover® ignition system Porcelain-enameled cooking grates Porcelain-enameled Flavorizer® bars Primary cooking area = 424 sq. in. Warming rack area = 112 sq. in. Total cooking area = 536 sq. in. Tank not included with LP models Natural gas grill includes 10-foot flexible hose