Well Before Adults KN95 manufactured in China by Guangdong Marbon Daily and Chemical LTD

Check out the results here: https://www.armbrustusa.com/blogs/mas...

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

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Learn more: https://www.armbrustusa.com/blogs/new...

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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:    • 4 Things to Look For in a Mask  
•How Does a PFE Machine Work:    • How Does A Particulate Filtration Eff...