Tag: Air Filtration - Page 2
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Breathe Easy: The Filter Scarf
Here's a filter you might want to wear whether or not you're breathing urban air. Designed by Carl Hagerling, Claes Nellestam and Martin Pråme, this minimal gray scarf is lined with a flexible carbon filter that cleans all you inhale. It's also
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Ask TreeHugger: Portable Air Cleaner Considerations
Response: If your wife spends most of her time at









