Disposable thickened medical surgical mask

Material: non-woven fabric, melt-blown fabric Size: 17.5 * 9.5cm Color: blue Thickness: three layers (nonwoven fabric-meltblown fabric-nonwoven fabric) Packing: 50 pieces / box The mask consists of three layers. Non-woven protective layer to prevent larger particles, do the first layer of protection. High-efficiency electrostatic filter cloth with low breathing resistance, and the filtering effect of…