The half masks in my collection. Top row, right to left, MSA Dustfoe #66, MSA Comfo (the 1937 type), modern MSA Comfo (heavily damaged). The mask on the bottom is the US
Elipse P100 Dust Mask
New Vintage MSA Dustfoe #88 Respirator Mask for Dust & Mists w/ Filters | #2005928444
Vintage Miners Mining MSA Dustfoe #55 Respirator Dust Mask Metal Tin M – Buy The Way Artiques
DustFoe | Gas Mask and Respirator Wiki | Fandom
Taking a Look at Buckskin Bill's Grain Dust Mask (MSA Dustfoe 77) - YouTube
MSA ClearVue DustFoe Respirator | Gas Mask King
Vintage Miners Mining MSA Dustfoe #55 Respirator Dust Mask Metal Tin M – Buy The Way Artiques
MSA ClearVue DustFoe Respirator | Gas Mask King
Dustfoe Respirator - Etsy
Dustfoe 66 Respirator for Dust and Mist MSA Mine Safety - Etsy
DUSTFOE #66 — Derek McDonald Artworks
Vintage Miners Mining MSA Dustfoe #55 Respirator Dust Mask Metal Tin M – Buy The Way Artiques