The Campingaz 907 Empty Gas Cylinder is a refillable butane gas cylinder that is intended for regular or extended usage. When filled the gas cylinder can hold up to 2.75kg of butane gas with an approximate burn time of 8 hours. The cylinder can be easily connected and disconnected from your stove thanks to the safety valve An empty, refillable butane gas cylinder from Campingaz Butane gas Gas quantity: 2.75kg (supplied empty) Recommended activity - camp cooking / extended camping trips