Surgical N95 mask is approved with NIOSH (National Institute of Occupational Safety and Health, USA) standard as an N95, and also meets the following criteria required by the FDA (Food and Drug Administration, USA).
N95 respirator is approved by NIOSH (National Institute for Occupational Safety and Health).
Certification classification DS2 disposable respirator is approved by the Japanese Ministry of Health, Labour and Welfare.

Surgical N95 mask, N95 respirator and DS2 disposable respirator protect respiratory organs from the dust and other particulates generated during welding, excavating, etc.