N95는 미 국립산업안전보건연구원(NIOSH)이 의료장비로 인증하는 마스크로, 1.0㎛ 미세입자를 95% 이상을 걸러내야 한다.
N95 is a mask certified as medical equipment by the American National Institute of Occupational Safety and Health (NIOSH), and it must filter out more than 95% of 1.0㎛ fine particles.