Ensure seamless installation and optimal performance with the Copper Set 3/4 & 3/8 from Lone Star Mechanical. This premium copper set is essential for pairing with your new HVAC equipment and new refrigerant, ensuring durability and efficiency in your heating and cooling systems. Engineered to meet the highest industry standards, our copper set is designed to enhance the reliability and lifespan of your setup. At Lone Star Mechanical, your comfort is our priority, which is why we offer 20% off for first-time customers. Invest in quality and experience superior comfort with our Copper Set 3/4 & 3/8.