Whats Inside A Gas Mask Filter and How do they Work? (Video)

Randolph Jason

Whats Inside A Gas Mask Filter and How do they Work? Video – Canadian Prepper

We bisect a gas mask (*ahem) a protective Mask to see whats inside and answer the following questions
1) How long will a gas mask last?
2) Are expiration dates real?
3) Whats inside a gas mask filter?
4) How do I make filter?


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