A "Union Elbow Quick Connector" is a plumbing or pneumatic fitting that allows for quick and easy connection and disconnection of pipes or tubes, with a 90-degree bend, often used in systems like reverse osmosis, water filters, or pneumatic applications. 
Features
 :- Additional barbs provided to prevent snap out of tube
 - Special cap provided to hold tube from outer side
 
Applications
 :These connectors are commonly used in various systems, including:
- Reverse Osmosis (RO) systems: For connecting water filter components. 
 - Water filtration systems: For connecting different parts of the filtration system. 
 - Pneumatic systems: For connecting air lines or tubes in pneumatic applications. 
 - General plumbing: For connecting pipes or tubing in various applications.