Фабричная маска-паутинная фильтра PM2.5, 5 слоев защитного фильтра, фильтровальная ткань, подушка для маски

5th floor: Adult model 12*8 contains 2 layers of 95 melt spray cloth+1 layer of activated carbon+2 layer of non -woven fabric, 5th floor: Children's 10*7 contains 2 layers of 95 melt spray cloth+1 layer of activated carbon+2 layer non -woven fabric, 4th floor: Children's 10*7 contains 95 melting spray cloth 2 layers of non -woven fabric 2 layers, 5th floor: Adult model 12*8 (1 layer 95 melt spray cloth 4 layer of non -woven fabric), 5th floor: Children's type 12*7 (1 layer 95 melt spray cloth 4 layer of non -woven fabric)