Black rubber gas mask PBF EO-19 with filters Size 0 extra small Gas mask parts included. Black rubber gas mask PBF EO-19. The item "Soviet russian black gas mask PBF EO-19 size 0" is in sale since Tuesday, August 11, 2015.This item is in the category "Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks". The seller is "maxaau7" and is located in Lithuania. This item can be shipped worldwide.