PTFE nano mask filter membrane can effectively prevent respiratory tract infections and prevent haze.
The N95 mask is one of the nine types of anti-particle masks certified by NIOSH (National Institute of Occupational Safety and Health).
“N” means that it is not suitable for oily particles (the fumes produced by cooking are oily particles, but the droplets produced by people talking or coughing are not oily); “95” means that the particles specified in the NIOSH standard Under the testing conditions, the filtration efficiency reaches ?95%.
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