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As wildfire smoke chokes the West Coast, people are making DIY air purifiers. But do they work? | Salon.com
Do-it-yourself (DIY) air cleaners: Evidence on effectiveness and considerations for safe operation | National Collaborating Centre for Environmental Health | NCCEH - CCSNE
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The Homemade Air Purifier That's Been Saving Lives During the Covid-19 Pandemic | Innovation| Smithsonian Magazine
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