A 'nanofiber' mask fabric manufactured in Oklahoma filters 9 times more tiny, potentially-dangerous particles than a bandana, independent tests show. Here's how you can buy it
5:35am PDT - April 26th, 2020 melania trump - Business InsiderYouTube/Filti
- One of the designers that discovered that blue shop towels were more effective at filtering tiny particles than a bandana worked with a particle testing company to officially test 20 materials.
- They tested a variety of things p…