Charlotte Pipe 3-in x 4-in PVC DWV Pipe Increaser Reducer in the PVC DWV Pipe & Fittings department at Lowes.com
1" x 3/4" Schedule 40 PVC Reducing Coupling, slip x slip 429-131
Buy 1" x 3/4" Schedule 40 Reducing Coupling (S x S) 429-131
437-131 - 437-131 - 1" x 3/4" PVC Schedule 40 Spigot x Socket Bushing
FangKingNo 10pcs 1" male thread to 3/4" female thread Reducer Bushing for PVC Pipe Fittings Male to Female Threaded Adaptor for connecting pipe White (1"× 3/4", pack of 10) - Amazon.com
PVC Adapter Reducer 3/4" MPT x 1/2" Slip
1-1/4" X 3/4" ERA Sch 80 PVC Reducer Bushing (Ring) Socket
Amazon.com: White SCH 40 PVC Reducer - 3/4 Inch Slip Socket x 1/2 Inch FNPT Female Pipe Thread - PVC Pipe Reducer Adapter Fitting - PVC Reducer Bushing for Home Sewer Plumbing
Amazon.com: White Reducer - 1 Inch Spigot x 3/4 Inch Slip Socket PVC Reducing Bushing Sch 40 PVC Pipe Reducer Adapter Fitting PVC Reducer Bushing : Industrial & Scientific
1-1/2" x 3/4" Sch 40 PVC Reducer Bushing Flush Style - Spig x Soc 437-210