The 3/4 in. 70XLDU Pressure Reducing Valve comes with double union FNPT connection. It is a contractor favorite, providing a variety of residential and commercial customers with extreme stability, ruggedness, and ease of repair for more than 40 years. The 70XL features single union or double union connections, a cast bronze body and bell with stainless steel components, a 20-mesh strainer screen, and a unitized replaceable cartridge which reduces labor costs and time for required cleaning and maintenance. By installing the 70XL, you will conserve water and energy while protecting your water system, complying with plumbing codes, and ensuring ultimate safety.