The 4" Coupler x 4" Male NPT Long from SEALFAST is designed for extended connections in piping systems. This coupler features a 4-inch diameter and male NPT threading, ensuring a secure and leak-proof fit. Constructed from high-quality materials, it provides excellent resistance to corrosion and pressure, making it suitable for various applications, including water and gas lines. Its long design allows for flexibility in installation, meeting industry standards for safety and performance, making it an essential component for contractors.