1/2" x 3/4" Sch 40 PVC Reducing 90 Elbow - Soc x Fipt 407-074
FangKingNo 10pcs 1" male thread to 1/2" female thread Reducer Bushing PVC Pipe Fittings Male to Female Thread Adaptor Coupling for connecting pipe White (1''x1/2'', 10) - Amazon.com
Charlotte Pipe 1-1/2 in. x 2 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 1400HD - The Home Depot