This compression male elbow meets the standards for ISO 14743:2004, NSF/ANSI 169, PED 2014/68/UE, REACH 1907/2006, RoHS 2011/65/CE, Silicone Free, has a maximum operating pressure of 290 psi and is designed for the following applications: air. It is silver, has an operating temperature of 5 Degrees F to 437 Degrees F, is made of 316L-grade stainless steel. In addition, it is a 90 Degrees elbow adapter, with an imperial system of measurement, and ⅛"-27 thread.