Protection class: FFP2 Protection against harmful substances such as solid and liquid dusts, smoke and aerosols Filter system: Efficient 5-layer filter system 50 g non-woven fabric 40 g heat-sealed cotton 2 x 25 g meltblown fabric 25 g non-woven fabric Highly efficient filtering of 95% of airborne particles Packaging: Packed individually to prevent contamination before use. Contains: 20 masks / individually packaged Colour: White Replacement: Non-returnable for reasons of hygiene and safety. Certificate: CE-certified Use: Disposable mask for one-time use