Help-It Duck Bill N95/P2 Respirator Headloop 50 Units Per BoxN95 Duckbill Mask Respirator provides excellent protection. It provides a single use, disposable respiratory protection to protect both the wearer and non wearer from the transfer of microorganisms, body fluids, and particulate material. Surpassing American N95 Standard Features a 4 layer design to provide the maximum level of fluid resistance and a duckbill style for universal fit P2 N95 respirator particulate respirator and provides high efficiency