N95 medical protective mask

  Operation manual of N95 medical protective mask
[scope of application]: N95 medical protective mask refers to a self-priming filtering dust-proof medical protective mask that can filter particles in the air and block droplets, blood, body fluids, secretions, etc

N95 medical protective mask refers to a self-priming filtering dust-proof medical protective mask that can filter particles in the air and block droplets, blood, body fluids, secretions, etc
This is a diameter that prevents transmission through the air & le; 5μ Mg infection factor or mask infected by close (≤ 1m) contact with droplet transmitted diseases
The use of medical masks includes tightness test, training, model selection, medical treatment and maintenance