NIOSH approved: N95 FDA cleared for use as a surgical mask Helps protect against certain airborne biological particles Adjustable nose clip for a custom, secure seal 3M proprietary filter media for easier breathing Helps reduce exposure to certain airborne particles generated by electrocautery, laser surgery, and other powered medical instruments Contains no natural rubber latex components Over 99% BFE (Bacterial Filtration Efficiency) according to ASTM F2101
