Recommended for: Face - Mouth, Full Face, Bacteria Protection - Polytetrafluoroethylene (PTFE) - Comfortable, Hydrophobic Outer Layer, Acid Resistant, Flexible, Adjustable Nose Band, Hypoallergenic, Latex-free, Fiberglass-free, Fluid Resistant, Splash Resistant, Graphene-free, ... - 50 / Box