The SM67 was designed for the Civil Defence and for civilian use.
Overview[]
The facepiece is made of black soft rubber. The eyepiece assemblies are most likely made of plastic like the valve house. It features a five point harness. The straps are similar to the Post-War C-maske The sizing is a bit unusual, 0 is the normaé, + is the big and -1 and -2 are the small ones. The children size is the -2.
Filter[]
The Schutzfilter 67 was issued with it like on the SM74