‧Protective non-woven inner layer. ‧Shingle pleat design prevents fluid pooling and cross-contamination. ‧Comfortable, stretchy, latex-free earloops. ‧Adjustable nosepiece to customize your own desired fit. ‧CNS surgical face mask standard level. ‧BFE ≥ 95% and PFE ≥ 80% @ 3 micron.