![](https://content.instructables.com/ORIG/FKK/YWHL/KJ2UVFB1/FKKYWHLKJ2UVFB1.jpg?auto=webp&frame=1&width=600&height=1024&fit=bounds&md=5873b1ae12eb4810f9b1d79a812bfdb6)
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/
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/