Welltrust® ASTM level 1 masks comply with requirements defined by ASTM F2100-11.
Welltrust® ASTM level 3 masks comply with requirements defined by ASTM F2100-11.
NIOSH Approved N95 Masks listed on the CDC list of approved N95 Particulate Filtering Facepiece Respirators.
Nonwoven fabric meets the different standard requirements, including ASTM, NIOSH and EU Standards.