Everflow Supplies CCCU0012-NL 1/2" Nominal Size Lead Free Copper Straight Union with Sweat Sockets for Use with 5/8" OD Copper Pipe Overflow part number CCCU0012-NL Copper straight Union for 125 lb. applications Sweat connects for use with 1/2 inch Copper pipe Conforms to ANSI standard B16.4 Lead free product