PopSugar

Here's What You Can Use as a Filter in Your Face Mask, According to a Doctor

While it's not 100 percent effective at preventing people from contracting COVID-19, using a mask and a filter is very helpful at slowing the spread of the virus. However, the mask and filter won't do ...
KGW8

Study finds multiple layers of coffee filters do filter COVID-19 virus

PORTLAND, Ore. — Search YouTube, you'll find all sorts of creative, and pretty impressive videos on how to make a face mask out of a coffee filter. It makes sense. It is a filter. But just how ...
The New York Times

From Coffee Filter to Safety Mask, in a Hurry

Melitta, the German maker of the original paper coffee filter, retooled its production to make masks. A director called the filter’s perfect fit over the face “a gift from heaven.” Credit...Daniel ...
Smithsonian Magazine

How to Build a Better Homemade Face Mask, According to Science

In makeshift home laboratories, a team of scientists discovered that cotton flannel is the optimal fabric, and their latest study says that the moisture from our breath makes the mask more effective.