3D print an exhaust filter for 3M masks

I ironically have one of these masks, mostly for shop work, but I like the adapter build I can add onto it so the exhaust filter can be used.

https://www.instructables.com/3M-Respirator-Exhaust-Valve-Filter/

This entry was posted in Cheap, CNC/3D-printing, Misc-Life. Bookmark the permalink.

Leave a Reply