Union, Application Air, Fitting Side A Connection Type Push-to-Connect, Fitting Side B Connection Type Push-to-Connect, Fitting Side A Tube Outer Diameter 1/4 in, Fitting Side B Tube Outer Diameter 1/4 in, Fitting Material Stainless Steel, Material Grade CA360, Color Silver, Includes Pre-Applied Thread Sealant Yes, Maximum Operating Pressure 290 psi, Maximum Operating Temperature 437 Degrees F, Overall Length 1 3/8 in, Specific Fitting Shape Straight Connector