The big boy gas size (450g)  for when you need to go full chef on the stove or you just need that family sized boils. 4 season performance Jetboil JetPower gas is a isobutane/propane fuel mix with screw thread cannister for easy on/off of any Jetboil cooker or similar threaded stoves.

Fits neatly into your companion cup and ideal mini adventures and military use 4 season performance Jetboil JetPower gas is a isobutane/propane fuel mix with screw thread cannister for easy on/off of any Jetboil cooker or similar threaded stoves.