KN95 Medical Disposable face Mask
What is a KN95 disposable mask?
KN95 Mask: Quick Summary. KN95 – stands for the regulatory standard for filtering facepiece respirators that are certified in China. … KN95 masks provide 95% protection against all particles that are greater than 0.3 µm in diameter (bacteria, viruses, pollution particles, fine particles, dust, smog, pollen, etc.)