Libra Supply Lead Free 3/4 inch 90-Degree Female Drop Ear Elbow C x F, (click in for more size options) 3/4'', 3/4-inch Brass Pipe Fitting Plumbing Supply Lead Free, For copper construction, Ideal for use with copper pipes Changes the direction of piping 90 degrees angle C x FIP connections Fitting ID Size: 7/8'' (OD 1''), Fitted ID Size: 3/4'' (OD 7/8'') Requires a force or pressure to maintain flow