Industrial & Scientific" /> Tee with three openings for connecting and branching three pipes Slip openings for connecting to male unthreaded pipes or fitting. Designed to be compatible with CPVC CTS (Copper Tube Size) pipe, not PVC Schedule 40 pipe. CPVC for better ductility and resistance to high pressures and temperatures than PVC Smooth interior finish for reduced friction and material buildup Meets specifications ASTM D2846 for quality assurance