NIBCO® 1-1/2" MIP x Socket PVC Adapter at Menards®
Reducing Adapter G2'' Male x Rp2 1/2'' Female PVC-U 16bar (224.8psi) EN 1452-3 | Tameson.com
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) :
Pipe Fittings - PVC Slip x FIP Adapters1-1/2"
1-1/2 inch schedule 40 PVC pipe threaded coupling from China Manufacturer - Taizhou Zhuoxin Plastics Co., Ltd.