Description : 64944-22 "Jetboil Jetpower Fuel 100G, The Jetboil Jetpower Fuel is a fuel canister that gives maximum efficiency and with minimum consumption of fuel. It is easy to use, convenient and is built with high-performance propane / isobutane four-season blend. Propane provides higher vapor pressure for better performance in cold weather. Isobutane provides more constant pressure when the fuel level gets low. The empty Jetpower fuel cans are recyclable. Jetpower Fuel Features: Fuel Canister, Propane / Isobutane Four-Season Blend, Provides Constant Pressure at Low Fuel Levels, Better Performance in Cold Weather, Maximum Efficiency w/ Minimum Consumption, Recyclable Fuel Can"