• dual_sport_dork 🐧🗡️@lemmy.world
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    4 days ago

    Through an activated charcoal filter and right back into your face.

    This is depressingly common and functionally accomplishes just about as much as you expect it does.

    • vin@lemmynsfw.com
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      4 days ago

      Ohhh, thanks. With the right filter it can make sense but it will be far cheaper to just pipe it out.

      • Clent@lemmy.dbzer0.com
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        4 days ago

        Not just the right filter but a strong enough fan motor to draw air through it. The filter needs to be changed so at some point outside venting becomes cheaper.

        The reality is most people never change the filter and rarely use the fan.