export 3 layer face mask breathing mask pm 2 5

export 3 layer face mask breathing mask pm 2 5

  • Description

    : BEATCLOUDS N95 PM 2.5 Anti Pollution Masks with N95 Filter0183;32;What is actually an N95 mask? N95 stands for nothing else than a percentage number. In our case, N95 means that at least 95% of the particles are being filtered out while breathing through the mask. The particle sizes that are being filtered out are defined behind the letters ‘PM’ (= Particulate Matter), ie. PM 10, PM 2.5 or PM 0.3.
  • 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
  • Chat Now[email protected]

export 3 layer face mask breathing mask pm 2 5 Description

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    Dakang air nanofiber pm0.3 mask functionDakang air nanofiber pm0.3 mask is the Chinese first nanofiber mask, made of three dimensional nano material, the pore diameter is less than 0.3 micron,efficient filter the atmospheric pm0.3, defend against haze, invisible killer to filter the air effectively bacteria and viruses, automobile exhaust fumes, second hand smoke, formaldehyde, dust mites

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    help icon for Shipping opens a layer. Reusable PM2.5 Face Mask with 2 Filter Mouth Dust Haze Anti Pollution Allergy. $5.09. $5.36. Our listing price includes the value of goods, packaging cost, and export taxes, not including international import duties. Import duties, taxes, and charges are not included in the item price or shipping

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  • The effectiveness of respiratory protection worn by

    FE tests were conducted at two concentrations (1.5 mg/m 3 and 2.5 mg/m 3) and two flow rates (equivalent to 40 and 80 l/min through 15.9 cm 2 sections of each RP type). Each material was held in a sample holder and PM 2.5 dust concentrations were measured both outside the mask material and inside the sample holder to determine FE. A limited