3" Copper to PVC Rubber Coupling Adapter – Plumbing Parts Pro
Fernco 1056-075 3/4" Flexible PVC Pipe Coupling for Plastic and Copper Plumbing Connections, White - Walmart.com
Replacing Copper Drains with PVC - YouTube
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
SharkBite 3/4 Inch PVC x 3/4 Inch MNPT Adapter, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UIP134A - Amazon.com
3" Copper to PVC Rubber Coupling Adapter – Plumbing Parts Pro
Fernco 3-in. Flexible PVC Downspout Adapter for Round, Square, or Rectangular Pipes - Fits 4-in. Diameter - No Clamps or Caulking Required in the PVC Pipe & Fittings department at Lowes.com
SharkBite 3/4 Inch CTS x 3/4 Inch PVC Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UIP4016A - Amazon.com
3'' CI x C 2-Band Pipe Repair Coupling - Wallington Plumbing and Heating Supply Inc