I got one of these, based on this post, and think it’s great.
Sadly, O2 industries is apparently dead. From their home page just a few minutes ago:
Notice on Store Closure
After a court-appointed receivership and effective immediately, O2 Industries Inc. has ceased operations and will no longer be selling the O2 Curve and all O2 Curve related accessories including filters. Any orders placed after July 30, 2021 that have not yet been fulfilled have been canceled and refunded.
Even more sadly, they also broke links to their support info.
I just asked a question about how to clean the respirator (NOT the filters):
I got one of these, based on this post, and think it’s great.
Sadly, O2 industries is apparently dead. From their home page just a few minutes ago:
Even more sadly, they also broke links to their support info.
I just asked a question about how to clean the respirator (NOT the filters):
‘Good enough’ way to clean an O2 Curve respirator? - LessWrong