Luftwaffe Aluminum 'Trinkwasser 5L' Flask for 5 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 5L'. The flask is nicely maker marked by the company 'Ritter Aluminium. The flask is marked with Luftwaffe Contract Number 'FL730710'. Nice example in very good condition!