Features:1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Suitable for connection between water blocks, radiators, water pumps, reservoir and other water cooling system kit.4.Compact and flexible, easy to screw on and off, Chromium plating on the surface5.A chamfering angle in the inner side for reducing resistance.6.With hidden silicone ring, perfect for connection and seal, light and delicate.Specifications:Material: copperColor: BlackBrand name: UnbrandedInterface Diameter: 12mmInterf...