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Assemble the PAPRa Powered Air-Purifying Respirator

A 3D-printed powered air-purifying respirator: a fan box pulls air through P100 filter media and blows it to a half-face mask · 6 steps · By Tetra Bio Distributed contributors

Gather the parts
Print and cut
Build the fan box
Build the controller
Build the mask
Test before relying on it

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