The GR NPT(64) 4 - 8 L1 from Field Tool Supply is a robust NPT (National Pipe Thread) fitting designed for secure connections in plumbing and industrial applications. This fitting accommodates pipe sizes ranging from 4 to 8 inches, ensuring versatility in various installations. Constructed from high-quality materials, it meets ANSI standards for pressure and temperature ratings, making it suitable for both water and gas applications. The NPT design provides a tight seal, preventing leaks and ensuring safety in high-pressure environments. Ideal for use in HVAC systems, water supply lines, and other critical applications.