Smoke-test of air filter, Blueair 405

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rolnor

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Mar 27, 2022
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I got my filter today, its a particle-filter mounted, HEPA. I use a smoke-flair, it seems to remove all the smoke so I am happy! I have four combined HEPA/Activated Carbon filters that is better to use for when the SHTF, there will be gases, not only particles.

 
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