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. Hub x Hub PVC S&D 90-Degree Elbow Fitting 4P02 - The Home Depot
Charlotte Pipe 4 In. Schedule 40 90 Deg. Long Sweep DWV PVC Elbow (1/4 Bend) - Parker's Building Supply
3/4" Sch 40 PVC 90 Elbow - Soc x Fipt 407-007
GENOVA PRODUCTS 40740 4" Short Turn Sewer and Drain 90 Degree Elbow - Pipe Fittings - Amazon.com