This is the Scubapro Elbow 2nd Stage Connector 90Adeg LP Adapter Features: 90-degree female to male elbow for second stage regulators. Secure and reliable connection for second stage regulators Ensuring accurate performance and control. This 90Adeg female to male elbow adapter offers a secure and reliable connection for second stage regulators, ensuring accurate performance and control. Reliable performance and exceptional control make this 90Adeg elbow adapter a must-have accessory for scuba divers.