Why is a swine flu mask called N95?

Why is a swine flu mask called N95?Respirators or N95 masks can block 95% small particles that contain the H1N1 virus, which causes swine flu. These are expensive and can be used only for a single day. These masks are made of three layers of electrostaticallycharged microfibres, that block 95% particles, thus the name N95.

Check Also

Shubhchintak: 2025 Gujarati Crime thriller Drama Film, Trailer, Review

Shubhchintak: 2025 Gujarati Crime thriller Drama Film, Trailer, Review

Movie Name: Shubhchintak Directed by: Nisarg Vaidya Starring: Swapnil Joshi, Manasi Parekh, Viraf Patell, Deep …