Standard early war pattern corrugated rubber oxygen tube complete with a brass plated Mk.IV (6D/526) bayonet connector and cadmium plated crocodile clothing clip. These early tubes are significantly narrower than later war examples and were standard fitting on the E-series masks and also used on some early issue G-masks. This example is fully flexible and has only very minor cracking within the folds/corrugation. No splits or holes and in very good to excellent used condition. Significantly rarer than the later war tubes. Stock code O26417.