This medical grade respirator has been evaluated for use in healthcare settings according to recognized standards for biocompatibility, flammability and fluid resistance and provides optimal respiratory protection by filtering 95% of particulate aerosols free of oil. High-quality materials and duckbill shape offer optimal breathability—no exhalation valve needed. Unique single split comfort bands hold mask in place without pulling or irritating skin. Lightweight construction ensures comfort and adjustable nose piece creates a personalized fit. Convenient 8-hour wear time.