Flo-Lock 935-125 Adapter 1.25in Copper to 1.5in. PVC | eBay
Is there a straight coupling between 1-1/4' and 1-1/2' plastic drain pipe? - Quora
How to Connect a PVC Pipe to ABS Pipe (DIY)
FangKingNo 5pcs 1.5Inch White 2-Way PVC Male Adapter Pipe Fittings (Socket x Male Pipe Thread) Coupling with 1-Inch Male Hose Thread Schedule 40 -5 ...