A good thing to have, the 3M mask. It has a bivalve system, good seal and well adjustable strapping. The main bonus is that the filters can be changed according to the need. Before we had fine dust filters on, this time hard chemical filters.
Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.