Features: 1.Material: It is made of aluminum alloy, which is sturdy and durable, and the coating is treated with aluminum to prevent corrosion and ensure product life. 2.Fast Heat Dissipation: 12 heat dissipation pipes are used, heat dissipation is fast, and strict and accelerated cycle tests are used to ensure product service quality and durability. 3.Easy to Use: Support 12 in fan installation, simple installation, long lasting design, perfect fit. 4.Applicable Water Pipes: Water inlets and outlets are suitable for water pipes with an inner diameter of 5?7mm. 5.Applicability: Suitable for computer CPU, industrial variable frequency drive, VGA water cooling head cooling and air conditioning evaporator. specification:Item Type: Radiator Material: Aluminum Alloy Outer Diameter of Joint: Approx. 7.5mm / 0.3in Applicable Water Pipe: Soft Water Pipe with Inner Diameter of 5-7mm / 0.2-0.3in Number of Pipes: 12 Face Treatment: Spraying PackageList: 1 x Radiator 4 x Long Screw 4 x Short Screw 1 x Screw Storage Box