1PC 3M 8511 self-priming filter non oily particles cup respirator N95 with breathing valve PM2.5 haze dust respirator anti-fog

Instrutions:

1. Including electrostatic filter cotton, accord with standard of American N95, filtering efficiency up to 95% of non oily particles;

2. Electrostatic filter material, under the same protective effect, wearing more comfortable breathing resistance is small;

3.. Bowl shape design, internal space, leaving the mouth more space;

4..3m cold flow valve, suitable for hot and humid environment medium to wear.