The Perfectflow Pressure Control System will keep the heat steady, even when it's cold outside. Cook with authentic grilling flavor for more than an hour on one propane cylinder with 22,000 BTUs of combined power on 285 sq. in. (1838.07 sq. cm) of cooking surface. Its perfect for tailgating, camping or a night on the patio. Stove grates for boiling brats and corn and griddles for cooking up tasty breakfasts are available separately.