Russian / Soviet Army protection tactical gas mask PBF (ПБФ) made for USSR military Officers and senior command personal. The mask is not used but very old, it is different from the picture: yellow color with brown spots. Now mainly used by Stalkers in Chernobyl and cosplayers. The gas mask is new old stock, never used. Called "Gorilla", "Hamster" and "Pig". Comes with 2 side filters which don't contain asbestos.