99.9% Copper Tube has a range of applications. In the industrial field, it is suitable for pipeline systems in chemical, petrochemical, and other industries. In the HVAC field, it is used as refrigerant tubing for air conditioners, heat pumps, refrigerators, and freezers. In the automotive field, it is widely used in automotive cooling systems and fuel pipelines. Thanks to their good flexibility, the Copper tubes can be used for DIY, jewelry making, and crafts filed. In the electrical field, it has good electrical conductivity. Specification Color: Copper Tone Material: Copper Inner Diameter: 17mm (11/16 inch) Outer Diameter: 19mm (3/4 inch) Thickness: 1mm (0.04 inch) Length: 1000mm (3.28 Ft) Packing List: 1 x Copper Tube Advantage Easy to process, copper has good flexibility and can be easily shaped to meet different needs. Good heat transfer capability and electrical conductivity. Simple connection, copper tube is easy to connect, providing a fast and reliable installation solution. Safe and reliable, with no leakage and high-pressure tested, non-flammable, ensuring safe use. Instruction 1. Before installation, ensure that the pipe surface is clean and smooth. 2. Use appropriate tools and techniques for cutting and connection to ensure a secure connection. 3. Regularly check pipe connections to ensure no leaks and normal operation. NOTE: Please confirm the size before ordering.