Designed and manufactured in the USA 🇺🇸

Medical-grade masks made in America

Armbrust press mentions

As seen in

Independent mask testing

60% of masks fail their own standard.

Armbrust tests every mask we can get our hands on against the standard it claims to meet - KN95, N95, surgical (ASTM), KF94. Most don't pass. We publish every result, every photo, every video, and every PFE + airflow number in a free, searchable database.

  • 948 Masks independently tested
  • 60% Fail their own standard
  • 67% KN95 failure rate
  • 36% USA-made failure rate
Mask testing database
60% of masks fail their own standard.Independent in-house testing in Austin, TX