Mush 3 Layered Surgical Disposable Face Mask with Melt-Blown Filter and Soft Ear loop, CE, ISO, FDA Certified (3 Ply- Grey, Pack of 50) Bacterial Filtration Efficiency(BFE) ≥ 99%,Particle Filtration Efficiency (PFE) ≥95% 3 Layered Mask with Meltblown Filter protection and Soft Earloop for comfort Mask has 3 Layers || Outermost Layer - 25 GSM Hydrophobic Non-Woven Fabric || Middle Layer : High Filtration 25 GSM Meltblown Filter || Innermost Layer: Soft Comfortable 25 GSM Non-Woven Layer Adjustable Nose-Pin to make sure that mask fits perfectly on the face Certifications: CE, ISO, GMP-WHO, FDA