The 4 Plug ISO B Double SO Fitting from Fittings Unlimited Inc is designed for secure connections in fluid transfer systems. This fitting features a double socket design, allowing for easy installation and maintenance. Made from high-quality materials, it ensures durability and resistance to corrosion. With a size of 4, it is compatible with standard piping systems, providing versatility in various applications. Ideal for hydraulic and pneumatic systems, this fitting is essential for professionals seeking reliable and efficient fluid transfer solutions.