Fernco 6 in. x 4 in. Flexible PVC Shielded Coupling P1002-64RC - The Home Depot
Fernco Proflex 1-1/2 in. Neoprene Shielded Coupling P3001-150 - The Home Depot
Buy Fernco Proflex 3000 Series 3000-150 Shielded Pipe Coupling, 1-1/2 in, Stainless Steel Body, Black, 4.3 psi Pressure Black
Fernco PROFLEX P3000-44 Shielded Pipe Coupling for Cast Iron, Plastic, Steel or Extra Heavy Cast Iron Plumbing Connections - Pipe Fittings - Amazon.com
Fernco 2-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com