Portland Public Schools donates 2,000 air purifiers to LA-area schools
PORTLAND, Ore. (KATU) — Portland Public Schools is donating 2,000 air purifiers to Los Angeles-area schools. The board ...
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How to make a DIY air purifier
If you need to clean your air immediately and don't have an air purifier at home, here's how to make a DIY air purifier at ...