Union, Pipe Fitting Material Malleable Iron, Fitting Schedule/Class Class 300, Pipe Size - Pipe Fitting 3/8 in, Fitting Connection Type FNPT, Standards ASME B 16.39, ASTM A197, Max. Pressure 600 psi@150 Degrees F, Saturated Steam Pressure 300 psi, Temp. Range -20 Degrees to 450 Degrees F. This item has been restricted from sale in the following state (s): []