Latex Free, Dye Free, Fiberglass Free. Crosstex Advantage professional healthcare surgical mask has a fluid resistant blue outer layer with white fluid resistant inner layer and secure earloops. Crosstex Advantage masks meet level 4 ASTM* performance classifications, based on: fluid resistance, filtration value, breathability and flammability. *The American Society for Testing and Materials
Fluid resistant outer layer with white fluid resistant inner layer.