The FUI MFL-0319-LL-04 is a 4FS XLight fitting from Fittings Unlimited Inc, engineered for lightweight and efficient applications. This 4mm fitting is constructed from durable materials, ensuring long-lasting performance and resistance to wear. Its lightweight design is perfect for portable systems, making it suitable for various industrial and commercial applications. The fitting provides a secure connection for fluid transfer in hydraulic and pneumatic systems, meeting industry standards for reliability and efficiency. The 4FS XLight is an essential component for any fluid handling setup.