PEX TEE 1/2 X 1/2 X 1/4 by QEST MfrPartNo QBT331N Fits For: use with Polybutylene, CPVC and Copper tubing Compatible Pipe Material: Copper, CPVC and Polybutylene Application: For Hot and Cold Water End 1 Diameter: 1/2 in. End 2 Diameter: 1/2 in.