Reducing Elbow, 90 Degrees, Close Rough, Tube Fitting Material Wrot Copper, Fitting Connection Type C x C, Tube Size 3/4 in x 1/2 in, Outside Dia. 7/8 in x 5/8 in, Max. Pressure 582 psi @ 100 Degrees F, Temp. Range -20 Degrees to 400 Degrees F, Standards ASME/ANSI B 16.22