0.1um micron for (PFE) 95%(BFE) 99%
The 3D design structure provides better wearing, and with foam nose cover for excellent fitness.
Uses a low-allergenic filter layer without latex.
1.Size: for adult
2.Material: Non-woven, melt-blown, P.P. spun bond.
3.Total layers: 5 layers
4.Color: White
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