The exhale valve is located in front of the mouth
A five points, rubber staps, heah harness complete the mask
| UNIDENTIFIED 10 Pre WW II Commercial Market mask | |
|
The
mask has a rubber moulded facepiece and Triplex slass eyepieces setted in
aluminium rings
The exhale valve is located in front of the mouth A five points, rubber staps, heah harness complete the mask |