David the Dentist tries to kill Lloyd - 3M 9205+ NIOSH Aura lots

3M 9205+ NIOSH Aura lots #A212089 & #A211838 manufactured by 3M
Check out the results here:
www.armbrustus...
www.armbrustus...
Send us your masks to test!
Lloyd Armbrust
13501 Immanuel Rd
Pflugerville, TX 78660
Want to win a mask sample kit?
Learn more: www.armbrustus...
------------------------
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 i...
•How Does a PFE Machine Work: • How Does A Particulate...