Various
2" x 1-1/2" flexible reducing coupling with 2 stainless steel clamps, connects cast iron or plastic to cast iron or plastic.
Ipex PVC SCH 40 Reducing Pipe Adapter Slip x MPT
Lasco Fittings Reducing Male Adapter
Lasco Fittings PVC 45 Degree Elbow Slip By Slip
Lasco Fittings PVC Reducing Bushing Spigot By FIP
Charlotte Pipe Low-Lead Male Adapter Brass MPT x CTS Socket (1/2")