Libra Supply 1'' x 1/2'' x 1/2'', 1 x1/ 2 x 1/2 inch, 1 x 1/2 x 1/2-inch Copper Pressure Sweat Reducing Tee C x C x C, (click in for more size options)Copper Pressure Pipe Fitting Plumbing Supply Used aboveground for water supply piping Provides a branch supply line from a main line Cup x cup x cup connections Solder connection required Fitting ID Size: 1-1/8'' x 5/8'' x 5/8'' (OD 1-1/4'' x 3/4'' x 3/4''), Fitted Pipe ID Size: 1'' x 1/2'' x 1/2'' (OD 1-1/8'' x 5/8'' x 5/8'')