Everflow BRUN0100-NL 1 Inch Lead Free Brass Union For 125 Lb Applications, With Female Threaded Connects Two Pipes, Brass Construction, Higher Corrosion Resistance Economical & Easy to Install 1 Inch Lead Free Brass Union for Connecting and Extending Two Pipes Brass Union Female Threaded Designed to Create a Disassemblable Connection Between Two Pipes Manufactured to standard ASTM B-584-06 for Lead-Free Quality Assurance Relative Softness of Metal Enables Tighter Seals and Greater Ease in Installation Brass Body Constructed; It is certified to Meet NSF/ANSI 61-8 Standard for Quality Assurance