Originally Posted by Lectron
These works. !
You breathe trough a steel grid that holds on to the moisture when you breathe out, and ads it to the air you breathe in.
Hmmm. I have some light steel grid that's a little heavier than screen-mesh. I wonder I slipped a 3X3" disk into my current mask...
Last edited by vrkelley; 11-02-04 at 06:07 PM.
Reason: removing bulky img