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by vmh1928
2260 days ago
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Yes, search on Montana Mask. The 3D files are available and you could print them at home. Part of the mask is the filter holder which you can stuff with N1900 or greater furnace filters, vacuum cleaner HEPA bags or whatever.
Edit- sorry, it's not quite like the P100, the filter holder is a rectangle in the center of the mask as opposed to the mask in the article that has two filter holders. |
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