This 1″ Sch 80 PVC Tee (SOC x FNPT x SOC) adds a branch to a pipe 90 Deg to the main line. This tee joins to the main line with solvet welding but the branch line has female threads. Sch 80 PVC is robust and durable, perfect for commercial and industrial applications. We buy at the lowest prices so we can pass the savings onto you.