Allied Medical LLC 12-04-1000 is a specialized MedStar style quick-connect adapter designed for medical oxygen systems. It features a standardized MedStar striker interface that transitions to a 1/8" NPT male thread, providing a secure connection between hospital gas outlets and respiratory equipment. This adapter is essential for connecting flowmeters and ventilators to MedStar-style wall stations. Its gas-specific design ensures that only oxygen can be connected, maintaining strict safety protocols and preventing accidental cross-connection with other medical gases in high-pressure clinical environments.