How Gas Masks Work and related media

How Gas Masks Work (3:32)

Look at how gasmasks work as History's Mail Call host R. Lee Ermey explains why those sold in surplus stores are not worth the money in this video clip.

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  • How Gas Masks Work
    How Gas Masks Work

    Video Clip (3:32)

    Look at how gasmasks work as History's Mail Call host R. Lee Ermey explains why those sold in surplus stores are not worth the money in this video clip.

    Video Clip (3:32)

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