The celluloïd eyepieces has an improved mounting with a screwed tightening ring allowing to change the glasses if needed.

The metallic frontpiece has a bended hose connecting fitting, slightly turned to the left side. The exhalation valve is located under the hose connector.

The five points head harness is made of spring straps.

A long corrugated hose connects the mask to a large filter

A carrying bag with shoulder strap completes the equipment

This mask have been sold or manufactured under licence in Belgium for their army needs