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
1" x 3/4" Schedule 40 Reducing Female Adapter 435-131
839-131C - 839-131C - 1" x 3/4" CPVC Schedule 80 Flush Style Reducer Bushing (MIPT x FIPT)
Charlotte Pipe 1 in. x 3/4 in. PVC Schedule 40 Reducer Bushing PVC 02112 2000HD - The Home Depot
PVC Male Adapter Pipe Fitting - SCH 40 PVC Fittings 3/4 Inch MNPT x 1 Inch Slip Socket PVC Connectors - PVC Pipe Connectors for Plumbing Water Line – Male Adapter Fitting - Amazon.com
NIBCO® 1" MIP x 3/4" FIP PVC Sch 80 Reducer Bushing at Menards®
1/2" MNPT x 3/4" FNPT Schedule 40 White PVC Threaded Reducing Adapter | U.S. Plastic Corp.
Buy a 1" x 3/4" Sch 40 Reducer Coupling FPT x FPT (430-131)