KF94 MASK BOX SET

Box of 30 KF94 Masks

Four Layer: Four layers and an ultra-electrostatic filter for protection and efficient  filtration. The outermost layer of non-woven fabric filters the large particles, the middle two layers of melt blown fabric block more than 95% of particles, one layer of hot air cotton can filter PM2.5, and the innermost layer of non-woven fabric is for skin comfort.