The $14,000 "COVID Killer": Texas taxpayers have paid for expensive air filters promoted by former governor Rick Perry. They're effective--but experts doubt they're significantly more effective than less pricey models.
| Autor: | Haelle, Tara |
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| Zdroj: | Texas Monthly. May2022, Vol. 50 Issue 5, p83-89. 5p. |
| Databáze: | Academic Search Ultimate |
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