Original MBU 20 HALP oxygen mask used by the German Air Force. Mask size is Medium Wide. The mask has been demilitarized by two cuts in the face piece. The hose is undamaged. The mask is incomplete and suitable for spare parts; the upper straps of the hardshell are missing, as is the connecting cable and the right receiver. Otherwise, it is in good condition. a second hardshell size Large wide is include, No other parts are available, note that all our items are pure collector items or display items. The items are not tested for real use and have no aeronautical exams or clearances. Use is at your own risk !!!