Allied Medical LLC 11-02-0030 is a precision-engineered safety-keyed coupler designed specifically for medical oxygen service. This high-quality clinical surgical solution features a 1/4" NPT male inlet and a specialized safety-keyed interface that prevents the accidental connection of different medical gases to the oxygen line. Manufactured from durable chrome-plated brass, the coupler is built to withstand the rigors of hospital use while maintaining a leak-proof and secure connection. It is an essential component for respiratory therapy equipment and hospital gas management systems, providing clinicians with the peace of mind that oxygen is delivered through a correctly identified and dedicated port. This authentic OEM part ensures full compatibility with Allied Medical quick-connect plugs and standard clinical oxygen sources.