Original MBU 20 HA/LP Oxygen Mask Size Small Narrow without Connection Cable

This is a original MBU 20 HA/LP (High Altitude Low Profile) Oxygen Mask size small narrow ,mask has a MC-3 Oxygen Mask Connector and a gray MBU 20 CE Hose,all parts are undamaged, no holes in the hose, no cracks in rubber parts, everything in very good to excellent condition, little used, only the connection cable is missing, left bayonet has holes for the WAE,the green ribbons are not shortened or cut,