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A PAPR (powered air purifying respirator) forces air through a filter into a sealed mask to protect workers; here’s a DIY version designed by physician Randell Vallero MD using a 5V computer fan, HEPA filter from a vacuum cleaner, and a full face swim mask.
The text was updated successfully, but these errors were encountered:
A PAPR (powered air purifying respirator) forces air through a filter into a sealed mask to protect workers; here’s a DIY version designed by physician Randell Vallero MD using a 5V computer fan, HEPA filter from a vacuum cleaner, and a full face swim mask.
The text was updated successfully, but these errors were encountered: