Fernco 1056-32 Reducing 3-in. x 2-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in Black - Hydraulic Couplings - Amazon.com
3 Inch Fernco 1056-33 Flexible Coupling
Fernco - US | Global Leaders in Flexible Couplings, Drainage & Plumbing Systems
Flexible Couplings and Adapters | Fernco - US
Fernco P1070-66 Flexible PVC Corrugated Pipe Coupling for ADS and Hancor Corrugated to Plastic Plumbing Connections - Pipe Fittings - Amazon.com