Surviving Smoke and Ash, a useful guide to respirator masks by @flamsmarkhttps://medium.com/@tomlowenthal/surviving-smoke-and-ash-4dd9ca96cd77 …
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Regarding indoor air filters, I recommend getting one with both HEPA and at least 5 lb of activated carbon. HEPA filters out the particulates. Activated carbon filters out gases such as ozone, which is increased when smoke is present.
9:19 PM - 22 Aug 2018
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