Charlotte Pipe 4 in. PVC DWV 45-Degree Hub x Hub Elbow PVC003211400HD - The Home Depot
IPEX Canplas 1-1/2 In. Schedule 40 45 Deg. DWV PVC Street Elbow (1/8 Bend) - Power Townsend Company
Amazon.com: NDS 6P03 PVC 45-Degree Elbow, 6-Inch, for Hub X Hub Solvent-Weld Connections, for Use with 6-Inch Sewer and Drain Pipe, White : Tools & Home Improvement