【Platinum Shiny Alpha Series】Lanchester Non Woven Adult 3 Ply Face Mask 20Pcs Individual Packing

Help with filter pollen,dust, bacteria,air pollutants, viruses and bacteria, hospital,school office,industrial

ASTM Level 3

Bacteria Filtration Efficiency ≧ 99%>

Particle Filtration Efficiency ≧ 99%>

Virus Filtration Efficiency ≧ 99%>

Inner layer of composite fiber

No fluorescent, latex or antiallergic agents

After the STC test, the mask can be safely stained and is not harmful to the human body.