1056-43 - Fernco 1056-43 - 4" x 3" Flexible Coupling (Connects Cast Iron, PVC, Steel or Lead)
Standard Flexible Couplings | Fernco - US
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 1056-43W Reducing 4 x 3 Inch Flexible Pipe Coupling Plumbing Plastic PVC ABS, Cast Iron, Lead in White - Amazon.com
Fernco 6 in. Clay x 4 in. DWV Flexible PVC Coupling P1002-64 - The Home Depot
Fernco 1056-43 Flexible Coupling 4-in. x 3-in New Box LB1 | eBay
1056-43RC - Fernco 1056-43RC - 4" x 3" Strong Back PVC Shielded Coupling (Connects Cast Iron, PVC, Copper, Steel or Lead)
Fernco® 1056-43 Flexible Pipe Coupling, 4 x 3 in Nominal, Cast Iron/Plastic End Style, PVC, Domestic | Cooney Brothers