Charlotte Pipe 2 in. x 1-1/2 in. PVC Schedule 40 Reducer Bushing PVC 02112 4000HD - The Home Depot
Charlotte Pipe 2 in. PVC Schedule 40 MPT x S Male Adapter PVC 02109 1600HD - The Home Depot
Amazon.com: FangKingNo5pcs 1.5Inch White PVC Pipe Coupling Adapter Pipe Fittings couplers (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use ( Pack of 5) (1 1/2") :
Lasco 1.5 inch Female Adapter - Par West Turf
Charlotte Pipe 1-1/2-in x 2-in PVC DWV Adapter Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
2" X 1.5" Sch 80 PVC Bell Reducer Coupling (Socket x Socket)
Charlotte Pipe PVC Schedule 40 MPT X S Male Adapter (1.5") for Irrigation Pools | eBay