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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 cma on Thursday February 11, 2021 @05:28PM (#26108259)
Bagless vacuums will typically have a pleated filter for the fine particles. Pleating expands the surface area.
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Re:Dyson air purifier outperformed by cheap DIY box fan filt... by jdmichal on Thursday February 11, 2021 @07:07PM (#26109285)
Bagged vacuums also typically have pleated filters at the air outlet, after the bag.
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