Canplas 192223 PVC DWV 90-Degree Bend 4 x 3 1/4-Inch, White - Pipe Fittings - Amazon.com
Campbell Approved Supplier 5133772 4 Inch PVC Conduit Elbow Bend Angle 45 Deg. Schedule 40
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