Soviet Polish Rare Army Gas Mask SR-1 The face and the headband are adjustable. The mask has a huge hood with a rigid flange. It consists gas mask.They were produced between 1980 and 1990. The mask is made in universal size. Gas Mask SR-1 was assigned for head wounded soldiers. The facepiece and head harness assembly design makes it possibly to achieve a greater tightness around the head. Plus additional mask slides. Condition of the mask as in the pictures.