3D Printed Respirator
thingiverse
3D print respirator, it'll take any filter fabric (e.g. meltblown fabric used for surgical masks) as a filter. PLEASE DON'T USE HEPA VACUUM BAGS, DIAPERS AND HYGIENE PADS AS A FILTER <-- these contain chemicals that are NOT cleared for inhalation! Please only use cotton and other fabrics to create multi-layered filters if you can't get "approved" filter material like surgical mask material.
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