Material: The fins, water chambers and guards are made of red copper, which has good heat dissipation effect and fast heat dissipation. G1/4 Screw Interface: G1/4 universal screw interface is adopted, which is easy to install. Function: The inner diameter of the copper tube is more than 6mm, which increases the flow of water and impurities in the liquid. Applicability: Easy installation, DIY installation, suitable for installing 12cm fans. Slim Appearance: The slim appearance allows the radiator to fit in tight places and achieve low airflow resistance.