Standard wartime pattern corrugated rubber oxygen tube complete with screw-threaded top connector for attaching to a G-type or H-type mask . Fitted with a brass Air Ministry MK.IV (6D/526) bayonet connector c/w cadmium plated crocodile clothing clip at the bottom of the tube. The hose is in good condition although it does have cracking within the folds when flexed. 'Twine bound' connectors. Stock code O18190.