re: #99 Backwoods_Sleuth
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all true
but more simply, put a $10 pulsox on your finger
ffs N95s do not separate gases (or gasses)
Exchanges like this make Twitter worth it pic.twitter.com/vt3CtVv0rJ
β provaxtexan πΊπΈ (@provaxtexan) September 5, 2021