Amazon.com: NDS 4P02 PVC 90-Degree Elbow, X Hub solvent-weld connections, for Use with 4-Inch Sewer and Drain Pipes, White, 1 Count (Pack of 1) : Everything Else
NDS 4-in PVC Sewer and Drian 90 Degree Elbow in the Sewage Pipe & Fittings department at Lowes.com
Charlotte Pipe 4 In. Schedule 40 90 Deg. Long Sweep DWV PVC Elbow (1/4 Bend) - Parker's Building Supply