NDS PVC S&D 22.5° Elbow, 4 in. Hub X Hub 4P04 - The Home Depot
NDS 6P04 PVC 22.5-Degree Elbow, 6-Inch, for Hub X Hub Solvent-Weld Connections, for Use with 6-Inch Sewer and Drain Pipe, White: Amazon.com: Industrial & Scientific
1.5 inch 22.5 Degree Street PVC Elbow – Hot Tub Spa Source