Surgical Mask 3 Layers With Antibacterial Filter For Surgeons. Disposable Thr Ee-Layer Mask Consists Of Two Layers Of Non-Woven Fabrics And A Piece Of Filter Paper Capable Of Filterin G Out Bacteria At A Rate Of 96Percent And Above And Good Air Permeability Comfortable To Wear Dust Pr Evention And Sterilization. Environment Friendly And Wholly Plastic Strip Is Adopted For The Part Over Th E Bridge Of The Nose So It Can Be Adjusted At Will To Fit The Line Of Bridge Of Nose Without Glass Fibres Hy Poallergenic. ]