This is the correct gas canister for the hyper efficient JetBoil cooking systems.
It uses a mix of Propane and Isobutane.
Propane provides higher vapour pressure for better performance in cold weather.
Isobutane provides more constant pressure as the fuel level gets low.
Item weight: 8.11 fl oz
Dimensions: 11 cm diameter x 10 cm tall
Fuel capacity: 230 g (approx. 24 litres of boiled water)
Gross weight: 356 g
Works with all Jetboil Personal Cooking Systems (PCS).