1" x 3/4" Schedule 40 PVC Reducing Female Adapter, slip x FPT 435-131
Amazon.com: White Sch 40 PVC Pipe Reducer Fitting - 3/4 Inch MNPT Male Pipe Thread x 1/2 Inch Slip Socket - PVC Male Adapter Reducing Pipe Fitting - PVC Pipe Connectors for
4" x 3" DWV PVC Reducer Fitting D102-422
Charlotte Pipe Schedule 40 PVC Pressure Reducing Coupling, White, 1 x 3/4 In. | Killingworth True Value