The Fittings Unlimited B-IE-72-LB-04-04 is a high-performance tube union fitting designed for secure connections in fluid systems. Featuring a 4BKHD configuration, this fitting is constructed from durable materials that ensure long-lasting performance and resistance to corrosion. Its design allows for easy assembly and disassembly, making it ideal for maintenance and repairs. This fitting meets industry standards for safety and reliability, making it suitable for both residential and commercial applications. Its dimensions are optimized for compatibility with standard tubing systems, ensuring seamless integration.