Title: New Mueller American Copper Coil 3/8 × 50 ft Description: For sale: Mueller Streamline original copper coil for air conditioning and refrigeration (Made in USA). * Size: 3/8 inch. * Length: 50 ft (approx. 15 meters). * Thickness: 0.032. * Condition: New and unused, with original packaging. * Suitable for air conditioning and refrigeration work.