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![Original U.S. WWII M3A1 Diaphragm Gas Mask with MIXA2 Filter dated 194 – International Military Antiques Original U.S. WWII M3A1 Diaphragm Gas Mask with MIXA2 Filter dated 194 – International Military Antiques](https://cdn.shopify.com/s/files/1/1524/1342/products/ONSV9269__02.jpg?v=1615615525)
Original U.S. WWII M3A1 Diaphragm Gas Mask with MIXA2 Filter dated 194 – International Military Antiques
![I have recently inherited this WW2 US gas mask. I believe it to possibly be an M3. Thoughts? : r/gasmasks I have recently inherited this WW2 US gas mask. I believe it to possibly be an M3. Thoughts? : r/gasmasks](https://i.redd.it/ly6kirnovj471.jpg)
I have recently inherited this WW2 US gas mask. I believe it to possibly be an M3. Thoughts? : r/gasmasks
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