• Twinklebreeze @lemmy.world
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    1 day ago

    Where do you think the ac gets it’s air from? Either inside the cabin, or the same place this thing gets it’s air from.

    • CountVon@sh.itjust.works
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      1 day ago

      Except the car’s HVAC system passes air through a filter. How much of a difference that makes is going to depend on the type of filter and whether it’s been changed sufficiently often, but it’s definitely doing more than nothing.