20PCS Compression Olives Copper, 15mm Tube OD, Copper Fittings for Water/Gas Lines, HVAC Systems

【Precision Copper Construction】High-quality copper ferrules (17×7mm) with 15mm inner diameter - perfect for seamless connections with standard 15mm (0.59") OD copper pipes. The smooth surface ensures leak-proof sealing. 【Superior Thermal Performance】Made of pure copper for excellent heat conductivity and corrosion resistance - ideal for both hot and cold water lines, gas connections, and HVAC applications. 【Easy Installation Process】Simply slide onto 15mm tubing and secure with compression nuts - no special tools required. Creates permanent, vibration-resistant joints in seconds. 【Universal Compatibility】Works with copper, brass, aluminum and plastic tubing - essential for plumbing repairs, humidifier installations, and pneumatic systems. 【Professional-Grade Reliability】20-pack value set for multiple projects. Always verify your pipe's outer diameter matches our 15mm specification before purchasing.