high dust suppression efficiency FDA certification facemask USA

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  • high dust suppression efficiency FDA certification facemask USA

high dust suppression efficiency FDA certification facemask USA

  • Description

    : Simple Respiratory Protection—Evaluation of the Filtration 0183;32;Percentage penetration was determined as the ratio of particle concentration downstream to upstream multiplied by 100. Polydisperse aerosol is commonly used for filtration performance testing and allows comparison to standard filters made (N95, P2, P3, high efficiency particulate air, etc.). Monodisperse aerosol penetration test method25
  • Type

    : Disposable / Reusable
  • Function

    : Coronavirus, Anti-pollution, PM2.5, cold, dust, pollen, allergy
  • Package

    : 10pcs/20pcs/50pcs per pack
  • Certification

    : CE, FDA, ISO
  • Min Order

    : 1000 Pieces
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high dust suppression efficiency FDA certification facemask USA Description

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