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Re:Experiments on a $50 DIY air purifier (2020) by turtlebits on Thursday September 02, 2021 @06:52PM (#28398375)
I have a regular air filter and it’s fine for maintaining air quality.

However, The box fan setup uses a much larger filter and pushes way more air. I only take it out if the outdoor quality is abnormally poor.

Yes it’s ugly and noisy but it’s for emergencies.

Also, you’re saving way more than $40. Wirecutter’s recommended one costs $200.

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