Disposable Medical Face Mask is CE marked and meets the requirements of EN14683 2019 Type The main parameters of the product are shown as below Bacterial filtration efficiency BFE Differential pressure 40 Pa cm2 Microbial cleanliness 30 CFU g Disposable Medical Face Mask is made from non-woven material, the most effective barrier against airborne bacteria. The three layer electrostatic filtration system traps particles to prevent leaking and cross contamination. All packaging is made using recycled material. We guarantee a minimum 95% bacterial filtration. Our hypoallergenic, anti droplet fabrics ensure breathability and lasting comfort. For reliable protection when you need it most. We will gladly provide the relevant certification paperwork and test reports upon request.