Charlotte Pipe 2 in. x 1-1/2 in. PVC Schedule 40 MPT x S Male Reducer Adapter PVC021101600HD - The Home Depot
4 in x 2 in Fitting Pipe Size, Schedule 80, Reducing Bushing - 1VFN4|839-420 - Grainger
Charlotte Pipe 2 in. x 1 in. PVC Schedule 40 Spigot x FPT Reducer Bushing PVC021082800HD - The Home Depot
Amazon.com: FangKingNo 10pcs 1/2" to 3/4" PVC Reducing Female to Female Threaded Coupling for PVC PIPE Pressure Fittings ,PVC Reducer Female Adapter for PVC PIPE Connector White (1/2 Inch to 3/4 Inch) :
NIBCO® 2" x 1-1/2" Hub PVC Reducer Coupling DWV - PROPACK of 50 at Menards®