Free D.C. KN95 mask

Check out the results here:

[ Ссылка ]

[ Ссылка ]

Send us your masks to test!
Lloyd Armbrust
13501 Immanuel Rd
Pflugerville, TX 78660

Want to win a mask sample kit?
Learn more: [ Ссылка ]

------------------------

Testing Methodology: In these videos we test mask breathability and filtration on our Particulate Filtration Efficiency Machine (PFE).

Find out more:
•The Four Things to Look for in a Mask: [ Ссылка ]
•How Does a PFE Machine Work: [ Ссылка ]

свернуть