It is highly ventilated and dustproof by using high-quality non-woven fabrics instead of regular ones.
You can breathe comfortably with KF-AD products certified by the Ministry of Food and Drug Safety in your daily life.
KF94 can filter more than 94% of particles with an average size of 0.4μm, thereby protecting your respiratory system from particulate harmful substances─source of infection─such as yellow dust, fine dust, droplets, and viruses.