6/ Beware of irrelevant claims made to sound important. In my courses on indoor air quality I often show an advertisement for a personal air purifier that shows a woman holding a baby. It states it can remove particles as small as 200 microns. Well, so does the floor.
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Hi! Public health person here trying to operationalize these types of recs for schools. Appreciate the break down (but I still feel very far from my lane of comfort!). Do you have any brands/models of portable air cleaners that schools might consider?
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Basically, the starting point is even trying to find CADR specs from the amazon description on a list of thousands of models to consider. It's really too much, even for people used to sorting through a ton of data. A list of brands/models to consider would be an amazing resource
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@threadreaderapp unroll please -
Bonjour, please find the unroll here:
@CorsIAQ: 1/ I have been getting a lot of requests from the media and others to comment on unproven indoor air… https://threadreaderapp.com/thread/1288739082265272320.html … Talk to you soon.
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Hello, here is your unroll:
@CorsIAQ: 1/ I have been getting a lot of requests from the media and others to comment on unproven indoor air… https://threadreaderapp.com/thread/1288739082265272320.html … Have a good day.
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Thank you for this. In your home does the thickness of HVAC filters have any bearing on viruses? Some claim to but seems dubious.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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I’m not a scientist or engineer but this may be one of the coolest and most informative threads I have EVER read. Thank you!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Does it matter where the air intake and out is?
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The fluid dynamics of airflow on the large scale *might* matter for COVID transmission, as
@zeynep 's latest article describes. For a small, portable HEPA filter in your home or office, the intake & outtake grills need to be placed with room around them. - Show replies
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