Fastpipe compressed air fitting, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type MNPT, Fitting Material Aluminum, Fitting Side A Tube Outer Diameter 20 mm, Maximum Operating Pressure 190 psi, Maximum Operating Temperature 140 Degrees F, Overall Length 3 in, Specific Fitting Shape Straight Adapter, Fitting Side B Pipe Size 1/2 in, Thread Size B 1/2-14, Standards ASTM B221, ASTM B445, Color Blue