Understanding the Difference- หน้ากาก niosh n95 ,Surgical Mask N95 Respirator. Testing and Approval; Cleared by the U.S. Food and Drug Administration (FDA) Evaluated, tested, and approved by NIOSH: as per the requirements in 42 CFR Part 84: Intended Use : and Purpose: Fluid resistant and provides the wearer : protection against large droplets, splashes, or sprays of bodily or otherNIOSH Reach II Study: Understanding and Selecting ...N95 Filtering Facepiece Respirator (FFR) equivalent or higher Airborne Precautions Patient with suspected or confirmed infectious disease requiring airborne precautions (e.g., measles, tu bercu Iasis) Close contact N95 FFR equivalent or higher Aerosol-generating procedure N95 FFR equivalent or higher Droplet Precautions