Built for superior durability and HVAC efficiency, the Mueller 1/2" x 50 ft Coiled Copper Lineset is engineered to meet the demands of both residential and commercial applications. Featuring a 1/2 inch OD copper tube and protected with a 1/2 inch thick Duraguard UV-resistant, rip-proof insulation, this lineset offers reliable performance in even the harshest environments. Whether you're a seasoned HVAC contractor or a DIY installer, this copper lineset is the go-to choice for air conditioning systems, mini split installs, and heat pump setups, providing outstanding refrigerant flow and long-lasting protection. Product Specifications: Copper Line Size: 1/2 inch OD Length: 50 feet Insulation: 1/2 inch thick Duraguard closed-cell foam insulation Insulation Features: UV-resistant, tear-resistant, moisture-repellent Material: High-grade, seamless copper tubing Usage: Ideal for HVAC systems, mini splits, and heat pump installations Key Benefits: Rip-resistant insulation protects against mechanical wear and UV degradation Minimizes energy loss and prevents condensation for optimal efficiency Flexible and kink-resistant design for easy handling and installation Durable copper tubing ensures consistent refrigerant flow and long system life