This 1″ Sch 80 CPVC 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. CPVC is a higher temperature version of PVC and has better chemical resistances. Petram PVC has all the schedule 80 PVC and CPVC fittings and valves you need for your project.