This tee meets the standards for ASTM F877, ASTM F1807, CAN CSA B137.5 NSF 14 NSF 61, has a length of 4 1/16 inch, a maximum operating pressure of 160 psi and is designed for the following applications: potable water. It has an operating temperature of 33 Degrees F to 200 Degrees F and is resistant to corrosion, freeze damage, mineral buildup, rust and is made of C69300-grade brass with a polished finish/coating.