Brennan PCNY2500-08-08 PBT Push-to-Connect Tube Fitting, 90 Degree Elbow, 1/2" Tube OD 90-degree elbow for connecting two pipes or fittings at an angle Accepts nylon and polyurethane tube fittings 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