5" x 4" CI/Plastic Fernco Flexible Coupling - Warren Pipe and Supply
The Plumber's Choice 1 in. PVC Flexible Coupling with Stainless Steel Clamps E22841N - The Home Depot
Fernco 1056-075 3/4" Flexible PVC Pipe Coupling for Plastic and Copper Plumbing Connections, White - Walmart.com
Fernco 1056-100 1-in. Flexible PVC Pipe Coupling for Plastic and Copper Plumbing Connections, 2-Pack - Amazon.com
Lasco 1-1/2 In. White Plastic Flexible Coupling | Country Farm & Garden
Fernco 1056-22 2" Flexible PVC Pipe Coupling Plumbing Cast Iron Plastic in Gray | eBay
PVC 6" x 6" Flexible Coupling & Shear Ring (Clay x CI/Plastic) - The Drainage Products Store
2" x 1-1/2" Flexible Transition Coupling Plumbing Heating HVAC
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
2" x 1-1/2" or 1-1/4" Drain and Trap Flexible Coupling - Procuru.com - Plumbing, Electric & Lighting Wholesale