ForbiddTV | Tips and accessories for the US M-40 gas mask @ForbiddTV | Uploaded September 2018 | Updated October 2024, 4 hours ago.
The US military M-40 gas mask has become widely available on the surplus market. This video shows the various accessories for the M-40 gas mask and the proper installation of a second skin.

Check out some of my other gas mask related videos:
youtube.com/watch?v=lYMcBRU1P8s
youtube.com/watch?v=Mh3x-fzqT4Y
youtube.com/watch?v=r7FPexKUhZs