Low-cost, DIY air purifiers are proving to be just as effective as expensive commercial units at protecting indoor spaces ...
Homemade air purifiers can filter air faster, making them an affordable alternative to more expensive commercial products.
Which is why [Adam Kelly] decided to design this DIY HEPA air purifier that can be built for less than $100. That might still sound like a lot of money, but compared to the $500 sticker price he ...
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