![Hello everyone! I recently just got into gas masks, my first one being a Polish MC-1 that came with an unopened MS-4 filter and the original carrier bag. (It was only 15zł! Hello everyone! I recently just got into gas masks, my first one being a Polish MC-1 that came with an unopened MS-4 filter and the original carrier bag. (It was only 15zł!](https://preview.redd.it/y2s6uad82mh31.jpg?width=640&crop=smart&auto=webp&s=d8e405ec6c7b86734a613d09d67919d86dc1b439)
Hello everyone! I recently just got into gas masks, my first one being a Polish MC-1 that came with an unopened MS-4 filter and the original carrier bag. (It was only 15zł!
![After quite sometime, I finally found a source for modern gas mask filters with the 40mm GOST threading. : r/gasmasks After quite sometime, I finally found a source for modern gas mask filters with the 40mm GOST threading. : r/gasmasks](https://preview.redd.it/zb4f4frlo2g51.jpg?width=640&crop=smart&auto=webp&s=ab29c71f6cdb144ff45018f70790d18ee6930996)
After quite sometime, I finally found a source for modern gas mask filters with the 40mm GOST threading. : r/gasmasks
![Amaizing Filter Canister 40mm for Mask Respirator, for Industrial Use, Chemical Handling, Painting and Welding - - Amazon.com Amaizing Filter Canister 40mm for Mask Respirator, for Industrial Use, Chemical Handling, Painting and Welding - - Amazon.com](https://m.media-amazon.com/images/I/61QK8ebZnbL._AC_SS450_.jpg)