Montana mask remix by kroffty 3d model
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Montana mask remix by kroffty

Montana mask remix by kroffty

by Thingiverse
Last crawled date: 4 years, 1 month ago
I added an exhalation valve to the Mask. This should keep the filter from becoming moist from breath. Use a circle of heavy duty nitrile glove for the flapper valve. The valve is positioned at the bottom of the mask to prevent fogging of the face shield of the medical worker.

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