Wide Compatible with 2 Kinds of Gas CanisterCome with an additional 1LB propane tank adapter, making the portable camping stove backpacking can work with 7/16 thread butane-propane mixed fuel canisters (EN 417) and 16oz/1LB propane small tank. Fuel-EfficientThis high powered portable camping stove gas has a small packsize but can deliver the power output of a gas stove twice its size, which allow you to cook faster with less fuel.