This 4″ Sch 80 PVC Female Adapter (SOC x FNPT) adds a female NPT thread to the end of a pipe. One side connects to a pipe using solvent welding and the other has female threads. Sch 80 PVC is robust and durable, perfect for commercial and industrial applications. Have a question? Check our technical resources section or give us a call and take advantage of our years of experience.