Transform your HVAC installation with this premium 25-foot mini split line set, featuring dual copper pipes measuring 1/4-inch and 3/8-inch in outer diameter. The set comes complete with high-quality flared nuts for secure connections and is specifically designed for mini split air conditioning and heat pump systems. The larger 3/8-inch pipe is encased in white, thickened PE insulation coil that helps maintain optimal temperature transfer and system efficiency. This comprehensive kit includes everything needed for a professional-grade installation, making it perfect for both new installations and replacement projects. The copper tubing is precision-manufactured to ensure reliable performance and long-lasting durability in your HVAC system. The included insulation helps prevent energy loss and protects the lines from external elements. Ideal for residential and light commercial applications, this line set provides the essential connection between your indoor and outdoor units for efficient heating and cooling operation.