Respirator with Built-in Double Core Bridge Strips Guang Zhou Hao Yi Plastic Products Co., China Base Info Model NO.:double core 4.0x1.0mmType:Surgical Supplies MaterialsQuality Guarantee Period:Two YearsGroup:AdultTrademark:WinpowerOrigin:Danyang, Jiangsu, ChinaHS Code:73262090 Description Pre:Factory Wholesale 100% PE Plastic Nose Wire 3mm White Nose Bridge High Quality Next:New Type Double Core Nose Wire for Disposable Mask