Radziecka maska przeciwgazowa PBF / gas mask - YouTube
Maska Przeciwgazowa PBF - Recenzja i Prezentacja - YouTube
ShMB (PBF) mask - Gas Mask Archiwum
East German issue PBF gas mask kit, these were issued to troops like the Grenztruppen during the mid to late 80s. Produced and imported from the Soviet union. They had special rubberized