The XS Scuba AC990 quick-disconnect (QD) allows fast, tool-free disconnection of a second stage regulator without depressurizing the breathing system. It is constructed from durable materials and features a secure locking mechanism for reliable performance in frequent-attachment setups.

• Quick disconnect for second stage regulators without depressurizing the system
• Durable construction designed for regular use
• Secure locking mechanism to prevent accidental release
• Compatibility: fits most standard low-pressure (LP) hoses

Before use, confirm compatibility with your regulator and hose configuration. Regularly inspect the coupling and locking mechanism for wear or damage and replace if necessary.