Avant disposable medical mask
All disposable medical masks produced by Avant have passed the Taiwan Textile Industry Research Institute
(Taiwan Textile Research Institute, TTRI) for ASTM in the U.S.
And the European EN14683 standard test for medical masks. Two products reach separately
ASTM Level 1 and Level 3; EN14683 Type IIR specifications,
Ensure that the mask provides medical-grade protection.