MSR Fuel Bottle – Designed to work with the threaded pumps on your existing MSR stoves. MSR fuel bottles provide an airtight seal allowing fuel to be stored longer by preventing air from entering and degrading fuel. All MSR fuel bottles are made from single-piece, impact-extruded aluminum to prevent leaks and cracks. Bolstered shoulder and base resist bulging when pressurized. Holes in shaft of bottle cap allow measured flow and prevent spills. MSR Fuel Pump can be stored inside a depressurized bottle for easy transporting. The standard lives on!*Note: Fuel is not included.