How to protect against gas (chemical) and viral (biological) attacks - respirators are key to survival - Wilderness Arena Survival
A respirator device is designed to protect the wearer from inhaling harmful dusts, fumes, vapors, or gases. Recent studies (2012) indicate that respirators even provide the best protection against airborne viruses. It is imperative however, that you understand the various types (categories) and qualities (ratings) of respirators in order to select one that will provide the protection you need to survive.
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