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The civilian variant of the M-23.
Mask overview Edit
The mask is made of rubberized canvas and is held onto the face with a 7-points head harness. The valve housing is a circular metal piece with a filter connection under the lid of the exhale valve. The eyepieces are made of celluloid.
Unlike the military M-23 it has a normal unscrewable 42mm filter.
Carrier and kit Edit
It came in a cylindrical metal carrier.