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An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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This is a 3D printed respirator that can use any filtration material provided that it can be cut into a ~2" circular patch. The patch is secured to the mask with a threaded filter assembly. Mask sealing against the wearer's face is acheived with a cast silicone gasket. The STL files for the mask and the gasket mold are provided.
