AirDays KF94 Face Mask Effectively filters out 94% of the 0.4㎛ fine suspended particles in the air. Block droplets, viruses and bacteria from spreading infections, Protects the respiratory system from pollutants and infectious substances. Three- dimensional locking masks will not fog glasses from the mist. Comfortable around the chin design, expanding breathing space, greatly enhance the permeability of high protection force, breathable and comfortable with a variety of Korean and EU certifications, safe and effective. Dismiss