Wearable air purifiers simply cannot cope with extreme outdoor pollution, and the Atovio Pebble is no exception. It is not built to protect when AQI is 400+.
Whereas medical masks are typically tied loosely around the face (hence air can bypass the filter), respirators fit snugly ...
'When Defence began renewing its entire CBRN equipment a few years ago, TNO played a research and advisory role in selecting ...
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