"N95" is a standard developed by the institute for occupational safety and health (NIOSH), a division of the U.S. CDC, not a specific product name.Products that meet theN95 standard and are approved by NIOSH are called "N95 masks ".
Of the nine NIOSH standards, N95 is the lowest level of protection against infection, and is cheap and easy to use by health care providers and others.N95 respirator is used for occupational respiratory protection, including certain microbial particles (such as virus, bacteria, mold, anthrax bacillus, tuberculosis bacillus, etc.).
The biggest characteristic of N95 mask is that it can prevent the droplets infection caused by the patient's body fluid or blood spatter.The droplets are 1 to 5 microns in diameter.The U.S. occupational safety and health administration (OSHA) requires health workers exposed to TB bacteria to wear N95 or more face masks.
