Anti PM2.5 haze H. NIOH Approved.
Suitable in hazy and dusty condition. 95% Filtration Efficiency
Suitable to Use in Home and Work
Manufacturer in Year 2015 (5 year life)
Made in USA
Shipping within 2 to 3 working days (Fast Delivery)
50pcs / Box
Particles such as those from grinding, sanding,
sweeping, sawing, bagging, or processing
minerals, coal, iron ore, flour, metal, wood,
pollen, and certain other substances. Liquid or
non-oil based particles from sprays that do not
also emit oil aerosols or vapors.