The Plumber's Choice Shielded 1-1/2 in. Transition Coupling Connects Cast Iron, Plastic, or Steel to 1-1/2 in. Copper or 1-1/4 in. Plastic H-38337 - The Home Depot
Series 732 Transition for Ductile Iron Size PVC/HDPE - Poly-Cam, Inc.®
Transition Couplings for Pipe Joining | Victaulic
Proflex Couplings | Fernco - US
COUPLINGS — ROMAC INDUSTRIES
3002-150 - Fernco 3002-150 - 1.5" x 1.5" ProFlex Coupling (Cast Iron, PVC, Steel to Tubular)
Star Pipe Products - Ductile Iron Pipe Fittings, Joint Restraints and more