Union Elbow, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Brass, Fitting Side A Tube Outer Diameter 1/4 in, Fitting Side B Tube Outer Diameter 1/4 in, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 200 Degrees F, Specific Fitting Shape 90 Degrees Elbow, Thread Size B 7/16-24, System of Measurement Imperial, Standards SAE J246, Compatible Tube Material Nylon, Minimum Operating Temperature 40 Degrees F