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11-12-2020, 03:27 PM #3
Personally, a 3D Printer Forum is probably not the best place to find advice regarding protecting yourself from Covid-19? I do not let any of the crew on our First Aid Squad use any mask with those check valves! And I am not going to futz with glueing them shut. Just get N95 masks when available?
Please explain to me how to...
Yesterday, 03:08 PM in 3D Printer Parts, Filament & Materials