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No Stupid Questions@lemmy.world · 2 days ago

Do air purifiers really reduce dust much?

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Do air purifiers really reduce dust much?

TheReanuKeeves@lemmy.world to

No Stupid Questions@lemmy.world · 2 days ago

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Davel23@fedia.io
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2 days ago
Should probably point out that “mm” in this case is micrometers, not millimeters.
- Instigate@aussie.zone
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  1 day ago
  Thank you for that clarification; I was genuinely wondering why anything smaller than 2.5 millimetres would pass through an air filter! When it comes to filtering air, 2.5 millimetres is MASSIVE

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