what are the most effective fabrics?

September 23, 2022

The work of researchers at the University of Chicago (United States) also shows that an ill-fitting mask can lead to a reduction in its filtration efficiency by more than half, regardless of the fabric used. © jes2uphoto, Adobe Stock

The work of researchers at the University of Chicago (United States) also shows that an ill-fitting mask can lead to a reduction in its filtration efficiency by more than half, regardless of the fabric used. © jes2uphoto, Adobe Stock