Envo eN95 Mask Vent Plug - Fits all filter covers
thingiverse
Envo (https://www.envomask.com) now supplies plugs for the vents in the mask, but they are a bit expensive and easy to lose. There is another make on here (https://www.thingiverse.com/thing:4675918), but it requires printing in TPU and doesn't fit with the new Envo ventless filter cover. So I made my own (my first, basic design in Tinkercad), modeled after the Envo plug itself. This can be printed in PLA or other stiff materials. It mirrors the same dimensions of the Envo plugs almost exactly.
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