MTC black union 3/4in is a durable threaded pipe fitting designed to connect two sections of 3/4in black steel pipe while allowing easy disassembly for maintenance or repairs. This black union is made from strong iron construction and features female threaded connections for a secure, leak-resistant fit. • Compatible with standard 3/4in threaded black pipe systems. • Durable iron construction for long service life. • Union design allows quick pipe removal without rotating the pipe. • Female NPT threads provide a secure, leak-resistant connection. • Easy to install, remove, and reuse during maintenance.