Hanglai Medcine KN95 Protective Mask ([ Ссылка ])
Send us your masks to test!
Lloyd Armbrust
3813A Helios Way
Building B Suite 290
Pflugerville, TX 78660
View all of our Mask Review videos here: [ Ссылка ]
Check out the comprehensive mask testing raw data here: [ Ссылка ]
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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: [ Ссылка ]
•How Does a PFE Machine Work: [ Ссылка ]
