N95 is the United States standard, it is also called KN95 masks in China, able to filter out 95% of particles as small as 0.3 microns from the air.
N95 masks are effective according to the CDC in helping to prevent the spread of Flu, swine flu and avian flu transmission from person to person.
These KN95 masks are designed to fit over the nose and mouth of the wearer, and properly fitted can provide excellent protection.
A comfortable elastic headband, adjustable nose bridge and single strap construction provide a secure, customized fit; one size fits most faces.
Apply: Filters non-toxic dust, pollen, flu, dander, sawdust, garage dust, garden and general household dust and irritants.