How Air Gets Filtered On An Airplane | NBC News NOW

Many travelers are nervous about what they might be exposed to the next time they fly. NBC News’ Blayne Alexander went into the belly of a Delta airplane to learn more about the air passengers breathe at 30,000 feet up.
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How Air Gets Filtered On An Airplane | NBC News NOW

Видео How Air Gets Filtered On An Airplane | NBC News NOW канала NBC News