DROMEX N95 Moulded. 5150 Medical Mask. 20 pcs per box. Suitable for a single 8-hour use against solid & water based liquid aerosols, that do not contain oil, Protection against inhalation of dangerous particulates in high dust areas, An ergonomic design that provides a comfortable and secure fit for different facial sizes, A welded elastic strap along with the half face seal foam reinforces the seal with the lowest leakage, Lightweight with low breathing resistance for increased wearer comfort.