KF stands for 'Korea Filter', and is an index that shows the particle-blocking performance of hazardous substances such as fine dust. The higher number of KF, the blocking rate for fine particles. The KF Index can only be marked with the approval of quasi-drugs from the KFDA, and a mask with a KF Index must be worn to block dust and fine dust.
Why KF94 Mask?
KF94 Mask filters the particles of more than 94% of the average size of 0.4pm from hazardous substances such as yellow dust, and fine dust, and protects the respiratory system from viral infections as well as yellow dust and fine dust. In particular, the skycare KF94 mask shows a 99.99% blocking rate of hazardous substances. [BFE 99%]