Someone left this leaflet on my car - gas masks are only £99. Well that's a relief then: well within the reach of everyone, and guaranteed to work, to boot:
How long will a gas mask protect me?
The effectiveness of a gas mask depends on a range of factors, including but not limited to: the hazard encountered, the concentration of that hazard, the filter type being used and the breathing rate of the wearer. Depending on circumstances, a mask could be effective for minutes or hours.
So, er, that's not very long at all, then. And what about the rest of your body. I read somewhere, but can't find it, that masks are useless without whole suits, and this whole industry is preying on people's insecurities.
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