I don’t have a better source than NatPo. If anyone’s aware of a better one, post it.

  • AnotherDirtyAnglo
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    1 month ago

    Free advice: Order a case of furnace filters, replace them frequently to keep your indoor air quality relatively high.

    • The Dark Lord ☑️
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      1 month ago

      You can also order HEPA filters for those furnaces that filter smoke well. And if you have enough of those filters, you can tape one to the front of a box fan for a makeshift air purifier.