US M40 Gas Mask Test

US M40 Gas Mask Test, Testing the US M40 protective mask against air freshener to see how well it works. Support me on Patreon www.patreon.com/weaponsandstuff93 Please comment, rate and subscribe for more. Follow me on Facebook and Twitter for updates: www.facebook.com/Weaponsandstuff93/ twitter.com/weaponsstuff93

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