(Note to other editors: This is really rough. I'm making this so we have a base to work with for a taxonomy of masks, add stuff if you think it should be here, don't worry about this being "my" page to edit - Moulage)
Taxonomy for Identification of Respirators
1. Filter Mount location
A. Front facing (single mount)- Go to 2.
B. Left/Right facing (single mount)
C. Left and Right (dual mount)
D. Left, Right, and Front (triple mount)
2. Lenses for single mount