PROFLEX 3-in. Shielded Specialty Coupling for Sewer, Drain, Waste and Vent Piping - Rustproof Stainless Steel Clamps - IAPMO Safety Listed in the PVC Pipe & Fittings department at Lowes.com
4″ x 3″ Fernco Coupling-(CI/Plastic to CI/Plastic) | Winnick Supply
SharkBite 3/4 in. Push-to-Connect PVC IPS x 3/4 in. MIP Brass Adapter Fitting UIP134A - The Home Depot
Fernco 1056-075 3/4" Flexible PVC Pipe Coupling for Plastic and Copper Plumbing Connections, White - Walmart.com