Compression Fitting Union, Application Air, Fitting Side A Connection Type Male Flareless Bite, Fitting Side B Connection Type Male Flareless Bite, Finish/Coating Zinc Nickel-Plated, Fitting Material Steel, Fitting Side A Tube Outer Diameter 1 in, Fitting Side B Tube Outer Diameter 1 in, Maximum Operating Pressure 4, 000 psi, Maximum Operating Temperature 500 Degrees F, Overall Length 1 13/16 in, Specific Fitting Shape Straight Connector, Compatible Fitting Brands Ferulok (R). This item has been restricted from sale in the following state (s): []