Model 1915 Gummimask
The Model 1915 Gummimask was the first issued German gas mask. It comprised a filter with a rubberized cloth face mask. The mask and a spare filter were carried in a cloth bag designed to be worn on the belt. The outer carrier is marked "San. Unffz Haardt 2.M.G.K./R.99"
(Medical Cpl Haardt 2nd machine Gun Company 99th Regt.). The bag is stamped size 2 on one end.
A view of the mask and spare filter on the interior.