Series LF3006 Dielectric Unions feature a female iron pipe thread to female iron pipe thread (black). These unions are designed to be installed between pipe made from dissimilar metals to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. The LF3006 features Lead Free construction to comply with Lead Free* installation requirements. Maximum Pressure: 250psi (17.2 bar).