The AJ4BU is a JIC bulkhead union fitting designed for secure connections in fluid systems. This fitting is ideal for applications requiring a robust and leak-free connection through a panel or wall. Manufactured by SSP Fittings Corp, it features a size specification of #4, ensuring compatibility with various pipe sizes. The durable construction provides resistance to corrosion and wear, meeting industry standards for quality and safety. This fitting is perfect for use in hydraulic and pneumatic systems, making it a reliable choice for professionals.