Jetboil Jetpower Fuel for Jetboil Camping and Backpacking Stoves, 100 Grams (2-Pack)Jetboil's high performance propane isobutane 4 season fuel delivers high vapor pressure, improving your system's performance in cold weather. At 100 grams, this Jetpower Fuel canister contains enough fuel to boil approximately 12 liters of water. (2 pack, 100 gram canisters) Iso butane provides more constant pressure as the fuel level gets low. The canister is easily recyclable with the use of a Jetboil CrunchIt (sold separately), which clips onto a