Brennan PCNY2405-08-08 Push-to-Connect Tube Fitting, PBT, Adapter, 1/2" Tube OD x 1/2" NPT Female Wye fitting with three openings for connecting and branching three pipes Push-to-connect fitting connects to pipes or tubing on one end and has an NPT female connector on the other Made of polybutylene terephthalate (PBT) for resistance to solvents, shrinkage, heat, and impact Working pressure of up to 290 psi Operating temperature ranges from -4 to 175 degrees F