medical face mask-pg电子麻将胡了下载

type

type i medical face masks should only be used for patients and other persons to reduce the risk of spread of infections particularly in epidemic or pandemic situations. type i masks are not intended for use by healthcare professionals in an operating room or in other medical settings with similar requirements.

medical face mask  (en14683:2019 type i)

bacterial filtration efficiency (bfe ) % ≥ 95%

differential pressure (pa/cm2) < 40

splash resistance pressure (kpa) not required