1-1/4" x 3/4" PVC Reducer Coupling | U.S. Plastic Corp.
429-131 - Reducer Coupling 1 x 3/4" Slip — Sprinkler Supply Store
NDS 4-in PVC Sewerand Drain Coupling in the Sewage Pipe & Fittings department at Lowes.com
Sprinkler.com - Product: 2 X 1 PVC INS.COUPLER 1429-249
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) :
Schedule 40 PVC Reducers 4" x 3-1/2"
Charlotte Pipe 1-1/2-in x 3/4-in Schedule 40 PVC Reducing Bushing in the PVC Pipe & Fittings department at Lowes.com
3/4 inch x 1/2 inch SCH 40 PVC Reducer Coupling, Socket x Socket | Buy SCH 40 PVC Couplings & More at Southern Pipe & Supply
1" x 3/4" Schedule 40 PVC Reducing Male Adapter, slip x MPT 436-131
Buy a 1" x 3/4" Sch 40 Reducer Coupling FPT x FPT (430-131)