Fernco - 1-1/2 x 1-1/4″ PVC Flexible Pipe Coupling with Clamp - 82978644 - MSC Industrial Supply
1056-2/125 - Fernco 1056-2/125 - 2" x 1-1/4" Flexible Coupling (Cast Iron or PVC to Cast Iron or PVC)
Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Hydraulic Couplings - Amazon.com
Fernco 3" x 1-1/2" Cast Iron/Plastic/Steel/Copper/Lead Flexible Coupling at Menards®
Fernco 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 - Hydraulic Couplings - Amazon.com