Fernco 2-Pack 1056-150/125 Reducing 1-1/2-in. x 1-1/4-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in Black - GreyDock.com
Fernco 1056-22 2-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections, 2–Pack - Amazon.com
Lasco 1-1/2 In. White Plastic Flexible Coupling | Country Farm & Garden
The Plumber's Choice 4 in. PVC Flexible Coupling with Stainless Steel Clamps E72844 - The Home Depot
PVC 6" x 6" Flexible Coupling & Shear Ring (Clay x CI/Plastic) - The Drainage Products Store