Avon Protection Systems, Inc. See the related link below.
Test for a tight fit with the M50 gas mask as follows: With a hand over the front module assembly, blow out hard to force out any air around the edges of the mask. With the palm of your hands, cover both primary filter inlet ports and breathe in. The mask should collapse against your face and remain so while you hold your breath. If it does the mask is airtight. If the mask does not collapse, check for leaks. If the mask still does not collapse, notify your superior.
It's just called a gas mask.
the invention that led up to the gas mask was a cloth in front of your face
Store your military gas mask as follows: Use the mask faceform to prevent damage to the mask in storage. Do not store or transport the mask under heavy or sharp objects. Do not store the mask where it could be exposed to extremes Always clean and thoroughly dry the mask before storage.
Garett Morgan invented the gas mask. I'm not sure when and where, though. By SkyQueen1234 Garrett Moragan invented the gas mask in in 1914 and never used it until 1916. and i don't know where Mr.Morgan invented the gas mask ! BY :FREASHCHICK123
M50 mask
The M50 mask carrier is typically worn on the left side of the body.
Test for a tight fit with the M50 gas mask as follows: With a hand over the front module assembly, blow out hard to force out any air around the edges of the mask. With the palm of your hands, cover both primary filter inlet ports and breathe in. The mask should collapse against your face and remain so while you hold your breath. If it does the mask is airtight. If the mask does not collapse, check for leaks. If the mask still does not collapse, notify your superior.
To protect the mask from moisture and wet conditions
Faceform
True
True
remove headgear
faceform
Faceform
Faceform
Faceform