Thingiverse
3D printed Mask with Exchangeable filter and exhalation valve by faisca2000
by Thingiverse
Last crawled date: 5 years, 4 months ago
To facilitate printing, just glue the pieces
Also print the mold to cut a rubber for flapper disk
Is a remix of a great design: www.thingiverse.com/thing:4230287
and my remixed dedign: https://www.thingiverse.com/thing:4268729
Also print the mold to cut a rubber for flapper disk
Is a remix of a great design: www.thingiverse.com/thing:4230287
and my remixed dedign: https://www.thingiverse.com/thing:4268729