Dielectric Union, Malleable Iron, Zinc-Plated Galvanized, Malleable Iron, Zinc-Plated Galvanized, 1 1/2 in, Female, NPT, 1 1/2 in, Female, NPT, Insulator Material Polysulfone, Gasket Material Buna-N, Nut Material Zinc-Plated Galvanized Malleable Iron, 250 psi Maximum Operating Pressure, 33 Degrees to 180 Degrees F, 2 3/4 in Overall Length. This item has been restricted from sale in the following state (s): []