Adapter, Tube Fitting Material Wrot Copper, Fitting Connection Type C x MNPT, Tube Size 3/8 in, Pipe Size - Pipe Fitting 3/8 in, Outside Dia. 1/2 in x 3/8 in, Max. Pressure 779 psi @ 100 Degrees F, Temp. Range -20 Degrees to 400 Degrees F, Standards ASME/ANSI B 16.22. This item has been restricted from sale in the following state (s): []