multiple colour kn95 face mask 50 pcs, miuphro 5 layers safety kn95 masks, dispoasable masks respirator for outdoor(pink,blue,red,purlpe,grey) miuphro <br><b>about our product</b> <br><br>miuphro kn95 5-ply foldable kn95 mask is made from chengde technology co., ltd. suitable for adults’ daily travel protection. the kn95 mask is not to be used as a replacement for gas masks or as a medical mask. <br>the mask cannot generate oxygen and should not be used in hypoxic environments. when used properly the mask provides a ≥ 95% filter efficiency and effectively protects respiratory health.