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A comment on Dyson air purifier outperformed by cheap DIY box fan filter in Marketplace test. Parent comment

Re:Dyson air purifier outperformed by cheap DIY box fan filt... by bloomingeek on Thursday February 11, 2021 @01:02PM (#26104928)
I have worked night shift for 30 years. I sleep with a box fan in my bedroom with the door shut to filter out noise. Works really well.
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