Dr. Ryan Southworth explains how to make the safest face mask. This is a safe face mask that if built properly should be donated to your local emergency services. It utilizes a HEPA filter, which is much, much better than a cotton mask.

LINKS:

Directions for making masks

Mask patterns

Websites cited:

Dr. Ryan Southworth’s YouTube Video

Strategies for Optimizing the Supply of Facemasks

Strategies for Optimizing the Supply of N95 Respirators

OSHA Respirator Types