Product Features AEROSOL TYPE Non-Oil EXHALATION VALVE No FDA CLEARED Yes NIOSH APPROVED Yes, N95 FEATURES Urethane Nosefoam, Welded Headband FLUID RESISTANT (ASTM F1862) Yes NATURAL RUBBER LATEX COMPONENTS No PRODUCT TYPE Dust and other Particles RESPIRATOR TYPE Cup SIZE M NUMBER PER BOX 20 BOX PER CARTON 12 N95 NIOSH Approved FDA Cleared for use as Surgical Mask Comfortable Urethane Nosefoam Elastic Welded Headband Adjustable noseclip Helps protect against certain Airborne Biological Particles Fluid Resistant