The Allied 12-90-2002 is a precision-engineered female-to-female coupler designed for medical gas distribution and manifold systems. It features dual 1/8" NPT female ports, allowing for the secure connection of two male threaded components or the extension of existing gas lines. The high-quality chrome-plated brass construction ensures maximum durability and clinical hygiene, while the hex-shaped body allows for easy wrench tightening to ensure a leak-proof seal in critical hospital and laboratory environments.