CTS UNION CHECK VALVE

Uni-Directional Flow; 1/2 Inch Female Quick Connect Copper Tube End; Polysulfone (High Performance Thermal Plastic); 250 PSI Maximum Working Pressure; 75 Degree Fahrenheit Maximum Working Temperature; Lead Free/ NSF-61/ NSF-14/ CSA B137.5/ ASTM F877/ UPC/ ASSE 1061 Certified