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m40 gas mask

  1. Disaster Preparedness General Discussion
    My wife gave me grief about purchasing a M40 last month because it was in her eyes.."silly." For the past year, the house has had varying degrees of odor. Me and a friend crawled under the house to investigate and found the septic line had been ruptured for at least 1 year. My buddy had been...
  2. Nuclear, Biological and Chemical (NBC) Survival
    I was wondering what gas mask I should buy. I would like one that has long lasting filters. Any info would be great! Thanks
  3. Nuclear, Biological and Chemical (NBC) Survival
    M40 gas mask I’ve done some research and the M-40 seems like the best mask. It’s made of silicone rubber, which is more comfortable than buytl rubber (so I’ve read), and it has a buytl rubber “second skin” made for it for protection against blister agents (which apparently degrade silicone...