Plug-In Reducer, Application Air, Fitting Side A Connection Type Push-to-Connect, Fitting Side B Connection Type Tube Stem, Fitting Side A Tube Outer Diameter 6 mm, Fitting Side B Tube Outer Diameter 8 mm, Fitting Material Nylon, Color Black, Includes Pre-Applied Thread Sealant No, Maximum Operating Pressure 290 psi, Maximum Operating Temperature 176 Degrees F, Overall Length 36 mm, Specific Fitting Shape Straight Adapter, Release Type Button