kf94 stands for Korea filter. Fine dust blocking test. KF80 - 0.6 μg. More than 80% of fine particles are blocked. KF94- 0.4μg fine particles blocked more than 94%.
KF94 cannot be produced in other countries. It is a product that can only be produced with products and facilities certified as Korean subsidiary materials in Korea.
This mask has a triple structure. It is a product that has received strict official certification in Korea.
It's not a cheap fake, but a genuine product. It's different from the material.Please distinguish between fake and real and purchase.It's to protect your health. Bebeemiso only sells genuine products of good quality.