Formulated for maximum efficiency and minimum consumption, our high-performance propane/isobutane four-season fuel delivers higher vapor pressure for improved performance in cold weather. FEATURES FUEL CAPACITY: 100 g (approx. 12 liters of boiled water) FUEL CAPACITY: 230 g (approx. 24 liters of boiled water) FUEL CAPACITY: 450 g (approx. 48 liters of boiled water)