Brass construction with durable design: The refrigerator quick coupling is made from quality brass with an electroplated iron body, providing wear and corrosion resistance. The 1/4 inch connector is precisely machined to ensure reliable performance across temperature ranges, making it a longlasting addition to your refrigeration system. Quick connection system: This washer quick connect fitting allows fast, secure connections without tools or complex installation. Simply push the 1/4 inch copper tube into the connector for a quick, leakproof seal that saves time and helps prevent leaks during maintenance or repairs. Versatile applications: Suitable for refrigerators, vacuum systems, and other 1/4 inch copper tube applications. This quick coupling adaptor works effectively as an extender or connector in refrigeration systems, offering flexibility while maintaining consistent performance across different setups. Professional grade quality: Manufactured with precision engineering, this coupling delivers sealing and consistent performance. The metal construction withstands pressure variations and temperature fluctuations commonly experienced in refrigeration systems, providing reliable service under demanding conditions. Specifications and compatibility: 1/4 inch connector; 1/4 inch copper tube. Materials: brass construction with electroplated iron body.Designed for use with refrigerators, vacuum systems, and other 1/4 inch copper tube applications. Use scenarios: 1) Refrigerator installation or servicing to connect copper tubing quickly and securely. 2) Upgrading or repairing vacuum systems that require a 1/4 inch quickconnect. 3) Extending or reconnecting refrigeration lines in various configurations while maintaining reliable performance.