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Re:Dyson air purifier outperformed by cheap DIY box fan filt... by dyno-might on Thursday February 11, 2021 @11:36AM (#26103610)
I did a bunch of tests with a similar filter (albeit comparing to a cheaper commercial purifier)

https://dynomight.net/2020/12/15/some-real-data-on-a-DIY-box...

It's crazy that commercial manufacturers usually don't even attempt to provide data like this to show that their products actually, you know, work.

Re:Dyson air purifier outperformed by cheap DIY box fan filt... by laurent92 on Thursday February 11, 2021 @11:49AM (#26103823)
This. Instead, they’ll come up with whatever irrelevant metric like measuring purification power in Watts.

All we want to know is asthma per hour in the room, and cancers per years in that city ;)

Re:Dyson air purifier outperformed by cheap DIY box fan filt... by DoingIsLearning on Thursday February 11, 2021 @01:48PM (#26105532)
This could be a HN submission in it's own right. Really interesting 'home' science.