Non-woven spunbond polypropylene outer layer provides maximum protection against fluid penetration. High quality media ensures optimal filtration and breathability. Ample length earloops are soft, strong, ultrasonically sealed and attachedto the outside of the mask to prevent pulling and irritation. Adjustable, enclosed plastic-covered iron nose piece provides customized protectionand comfort. Shingle pleat design prevents fluid pooling and cross contamination. Available in all 3 ASTM levels.