Type I Model B Disposable 3-Layer Surgical Mask (Pack of 10) A mask that helps contain the transmission of germs and infectious agents. It prevents the emission and inhalation of particles and aerosols present in the environment and acts as a barrier against sneezing and coughing. One size Unisex Type: non-reusable Disposable Class I Non-sterile Single use 3 layers: Spunbonded non-woven fabric (outer layers) and fused non-woven fabric (inner layer) Bacterial filtration efficiency (BFE): 95% Breathability (differential pressure): Recommended wearing time: 4 h Adjustable nose bridge Smooth elastic straps that favor comfort Nose and mouth coverage Ergonomic: It adapts perfectly to the shape of the face For effective protection, its correct placement is vitally important Includes: 10 units Approximate measurements .: 17.5 x 9.5 cm CE marking Manufactured in accordance with Directive 93/42 / EEC on medical devices following standard EN 14683: 2019 + AC: 2019