This union mender meets the standards for ISO 14743:2004, PED 2014/68/UE, REACH 1907/2006, RoHS 2011/65/CE, Silicone Free, has a length of 1 15/16 inch, a maximum operating pressure of 250 psi and is designed for the following applications: air. It is black, has an operating temperature of 0 Degrees F to 160 Degrees F, and it is made of nylon. In addition, it is a straight connector, with an imperial system of measurement.