Allied Medical LLC 11-02-0023 is a precision-engineered safety-keyed coupler designed specifically for medical air service. This high-quality clinical surgical solution features a 1/8" NPT female inlet and a specialized safety-keyed interface that prevents the accidental connection of different medical gases, such as oxygen or vacuum, to the air 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 medical air 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 air sources.