biggest area for improvement in mask design?
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Replying to @DanielleFong
battery powered positive pressure masks; allowing use of really good filter media without any added breathing resistance.
2 replies 0 retweets 6 likes
Replying to @eigensasha @alt_kia
I was thinking about that, it's tricky though considering the volumes
10:59 AM - 4 Oct 2020
0 replies
0 retweets
1 like
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