Charlotte Pipe 1 in. x 3/4 in. PVC Schedule 40 S x FPT Reducer Female Adapter PVC 02101 3800HD - 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) :
3-inch S&D PVC Fittings - PVC Pipe & Fittings - The Home Improvement Outlet
Pipe Fittings - PVC Plugs 2" Threaded
PVC Schedule 40 FPT x FPT Threaded Coupling, 3/4" x 3/4"
Pipe Fittings - PVC Couplings 3/4" Threaded
Charlotte Pipe 3-in PVC DWV Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
LASCO 3/4-in Schedule 40 PVC Adapter in the PVC Pipe & Fittings department at Lowes.com