Custom mask

Custom mask

  • Youlihui sample
  • Youlihui sample

Youlihui sample

BFE, PFE and VFE all exceed 99%. Unobstructed breathing, expiratory resistance, inspiratory resistance are less than 30.

  • Product Brand:Yongsheng
  • Product Color:White
  • Packaging Quantity:1
  • Application Site:Hospitals, factories, schools, restaurants, buses, companies, etc.
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