- “N” stands for “Not resistant to oil”: It means it should not be used in environments with oil aerosols.
- “95” stands for 95% efficiency: It filters out at least 95% of particles that are 0.3 microns or larger.
- Material: It is made of a fine mesh of synthetic polymer fibers, specifically a nonwoven polypropylene fabric.
- Structure: It has an adjustable nose clip for a tight seal and, unlike surgical masks, uses headbands rather than ear loops for a secure fit.
- Types: There are two main types: non-valved (for better protection of others) and valved (for better comfort, but not recommended in sterile conditions).
- Healthcare Settings: Protecting healthcare workers from infectious aerosols, such as viruses (COVID-19), tuberculosis, and influenza.
- Industrial Settings: Protecting workers from dust, mists, and fumes in industries like mining, construction, and manufacturing.
- Wildfire Smoke: Protecting against harmful fine particles in wildfire smoke.
- Cleaning: Protection against mold and dust during cleanup activities.




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