Freeteck - KF80 Reusable 3-Layer Mask, Yellow Dust Certified - for kid or adult with small face

KF (Korea Filter) masks more closely adhere with the European Standard rating system.  KF80 masks are equivalent to P1 filtration and filter out 80% of particulate matter.  

This product is KF80 yellow dust mask that is used suitable product on fine dust yellowtail such as yellow dust.  This is KF80 yellow dust mask that is allowed in The Ministry of Food and Drug Safety certification.