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
3/4" x 1/2" Schedule 80 9829-101
1429-167 - 1429-167 - 1-1/4" x 3/4" PVC Reducer Insert Coupling (Insert x Insert)
Canplas 193026 PVC DWV Reducer Coupling, 3 x 4-Inch, White - Pipe Fittings - Amazon.com
Amazon.com: FangKingNo 10PCS 1/2" to 3/4" PVC Reducing Nipple Male Thread to Male Thread Coupling for PVC PIPE Pressure Fittings,PVC Male Adapter for PVC PIPE Connector White (1/2 Inch to 3/4 Inch) :