Dielectric Union, Brass, Steel, Zinc-Plated Galvanized, 1/2 in, Female, Female Threaded, 1/2 in, Female, Socket, Insulator Material Polysulfone, Gasket Material Buna-N, Nut Material Zinc-Plated Galvanized Steel, 250 psi Maximum Operating Pressure, 33 Degrees to 180 Degrees F, 1 7/8 in Overall Length. This item has been restricted from sale in the following state (s): []