Suitable for protection of PM2.5 haze particles, chemicals, dust, air pollution, pollen, food, coal dust, cement dust, & processing manufacturing Filtration Efficiency ≥ 95% 5 LAYER CONSTRUCTION: 5-ply construction for maximum protection against PM2.5 particles. Non-woven fabric ...Suitable for protection of PM2.5 haze particles, chemicals, dust, air pollution, pollen, food, coal dust, cement dust, & processing manufacturing Filtration Efficiency ≥ 95% 5 LAYER CONSTRUCTION: 5-ply construction for maximum protection against PM2.5 particles. Non-woven fabric, melt-blown filtrating, needle punched cotton with protective five-layer material, adjustable nose clip, & elastic ear-loop strings 3D STRUCTURE: 3D breathable structure with comfortable breathing fabric making it easy to wear for long periods of time.
ADJUSTABLE NOSE CLIP: Adjustable nose clip to prevent pollutants from leaking into the mask and for secure fit around face.