![SR-1 with Dirin 500 Fb for organic vapors and dust, late '30s. This industrial kit was made by Pirelli and used in the Netherlands. It was considerably more expensive than other facepieces SR-1 with Dirin 500 Fb for organic vapors and dust, late '30s. This industrial kit was made by Pirelli and used in the Netherlands. It was considerably more expensive than other facepieces](https://i.redd.it/3hmx6hft4mlb1.jpg)
SR-1 with Dirin 500 Fb for organic vapors and dust, late '30s. This industrial kit was made by Pirelli and used in the Netherlands. It was considerably more expensive than other facepieces
![This thing just arrived today, its a Sz2-50 (or commonly known as the SR-1 head casualty gas mask produced by Faser in Poland and its dated 1978 and was supposed to be This thing just arrived today, its a Sz2-50 (or commonly known as the SR-1 head casualty gas mask produced by Faser in Poland and its dated 1978 and was supposed to be](https://preview.redd.it/78hq7cww34041.jpg?auto=webp&s=a79aca4efe0d93c752e66535b2f0d53d6fbd0ed0)
This thing just arrived today, its a Sz2-50 (or commonly known as the SR-1 head casualty gas mask produced by Faser in Poland and its dated 1978 and was supposed to be
![SR-1 facepiece with the inlet-outlet assembly for regular filter use. This Semi-Rigid (SR) facepiece could be used with most setups, given the correct connector : r/gasmasks SR-1 facepiece with the inlet-outlet assembly for regular filter use. This Semi-Rigid (SR) facepiece could be used with most setups, given the correct connector : r/gasmasks](https://preview.redd.it/e3yvgwcjgnl41.jpg?auto=webp&s=0daadf5c85285a4b68db230d26c8bd3d771e461a)