Fernco 1056-215 Reducing 2-in. x 1-1/2-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in Black - Pipe Fittings - Amazon.com
Fernco Proflex 2 in. x 1-1/2 in. Neoprene Shielded Coupling P3000-215 - The Home Depot
Fernco 1-1/4-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
1-1/2" Fernco Coupling
Fernco 2 in. x 1-1/2 in. PVC Mechanical x Mechanical Tubular Drain and Trap Connector PDTC-215 - The Home Depot
1056-250/150 - Fernco 1056-250/150 - 2-1/2" x 1-1/2" Flexible Coupling (Connects Cast Iron, PVC, Steel or Lead)
Fernco 1-1/2" Cast Iron/Plastic/Steel x 1-1/2" Copper or 1-1/4" Plastic Proflex Flexible Coupling at Menards®