The MSR 30 oz Fuel Bottle is a bottle for liquid fuel. Power your liquid fuel stove with the most appropriate option for your adventure and region. The large 30-ounce size makes it easier to go out on longer adventures or to cook for longer. This is designed to accept MSR fuel pump threads and handle pressurization, so there won't be any confusion or issues when you're out on the trail, prepping to fire up the next meal.