Features: Ideal for HVAC split systems: This HVAC line set is compatible with both standard AC and heat pump systems, providing a seamless connection between your outdoor condenser and indoor air handler or evaporator coil. HVAC line set insulation: Made from copper for high-pressure resistance, our AC line set delivers reliable performance and works with major refrigerants. Specifications: Material: copper Color: black and copper Size: Long is about 15 ft Diameter is about 3/4 in and 3/8 in Package includes: 2 x Copper pipes 1 x Insulating foam Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.