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The German Lederschutzmaske (leather protection mask) was introduced in 1918 to combat chemical weapons used by both sides in the Firsrt World War. It replaced the GM-17 mask.
The mask is made of tanned sheepskin (due to rubber shortage) and is dipped in an oil sealant. The lenses made of glass unlike the previous GM-17 and GM-15 masks but there were masks with the older celluloid lenses. The intake valve is in a metal house and the exhale has got a separated valve for the first time. It has a 6 point head harness. The purpose of the strap on the front of the mask is to prevent sagging the filter too much.
It has a grey cylindrical canister filter.
It had a canister very similar to the GM-17 canister.
Foreign use Edit
The Lithuanian army used the mask without the exhalation valve in the 1930s.