The 4 Stem Union-4 Stem Union Straight Fitting from Fittings Unlimited Inc is designed for seamless connections in fluid transfer systems. With a 4 inch stem size, this fitting allows for easy joining of two stem tubes, ensuring a secure and leak-free connection. Constructed from high-quality materials, it offers excellent durability and resistance to wear. This fitting meets industry standards, making it suitable for various pneumatic and hydraulic applications. Its straightforward design facilitates quick installation, making it a practical choice for both professionals and DIY projects.