Youtube Video: How to obtain an emergency respiratory mask for assisted ventilation using a common snorkeling mask.
For full details, please visit: https://www.isinnova.it/easy-covid19-eng/
3D-printed “Charlotte Valve” files (.STL, .DWG, .STEP)
At this link you can download the model of a reinforcement jacket for the Charlotte valve. Here
And a valve file with stronger nerves. Here
The file for the masks produced by the OCEAN REAF is available HERE
The file for the masks produced by the MARES is available HERE
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