This test plug meets the standards for ASTM F877, ASTM F2159, CAN CSA B137.5 NSF 14 NSF 61, has a length of 13/16 inch, a maximum operating pressure of 80 psi and is designed for the following applications: potable water. It has an operating temperature of 33 Degrees F to 200 Degrees F, is made of Acudel-grade polyalloy with a brushed finish/coating. In addition, it is a test plug. Plus, it has a barbed connection type.