This pex and sweat adapter meets the standards for CSA B137.5, F1807, F877, NSF/ANSI 14, NSF/ANSI 372, NSF/ANSI 61, has a length of 2 31/32 inch, a maximum operating pressure of 80 psi @ 200 Degrees F 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 brass. In addition, it is a straight adapter.