Luftwaffe Aluminum 'Trinkwasser 10L' Flask for 10 Liters of Drinking water. The flask retains most of its original ordance tan paint, on the container is stenciled in white on all four sides 'Trinkwasser 10L'. The flask is nicely maker marked by the company 'Ritter Aluminium'. The flask is marked with Luftwaffe Contract Number 'FL730711'. This is the harder to find large sized 10 Liter variant. Nice example in good used condition!