The 3/4 FS NPTF 3M THD COUPLING by Capitol Manufacturing is an essential component for connecting pipes in various fluid systems. This coupling features a female NPTF thread, ensuring a leak-proof connection. With a 3-inch length, it is designed for easy installation and compatibility with standard piping systems. Made from high-quality materials, this coupling is built to withstand pressure and environmental conditions, making it suitable for both indoor and outdoor applications. Ideal for plumbing, HVAC, and industrial uses, it meets industry standards for safety and reliability.