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.
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.
Select an image below to view
The BE Mask is a 3D-printable reusable mask with replaceable filter inserts. Our documentation describes our use of novel materials, fit considerations, assembly process, seal, sizing and filter cartridge efficacy.
Full documentation can be found here.
