High quality: made of high quality brass, surface electroplating process, rust and corrosion resistance, durable, not easy to break or deformation, can be used for a long time. Design: The joint is fitted with a hidden O-shaped rubber gasket to ensure seal, prevent leakage, tighten quickly and easily, and the barb inside the joint helps reduce drag. Type: G1/4 "Universal interface for simple interconnect expander for computer water cooling system, suitable for pipe specification: pipe with inner diameter of about 8-9.5MM. Package includes: The kit includes 2PCS hose barb fittings that connect two water-cooled parts to some tee fittings and drain valves using G1/4 internal threads. Application: Hose barb extension connector for computer water cooling systems, ideal for connections between radiators, pumps, water tanks and other water cooling system kits.