Silica Gel Filling Tube Shanghai Norchon Packing S&T Co., Ltd. Base Info Wall Thickness 0.32±0.03mm:Diameter 15mm 20mmType:Small Package TankMaterial:AluminumUsage:ChemicalModel NO.:NZ-AT-008Trademark:Norch packingSpecification:15mm 20mmOrigin:China Description Pre:Aluminum Foil Next:Wholesale No Foldable PP Material Storage Stackable Moving Plastic Tote Box with Lid