Amazon.com: FangKingNo 10pcs 1/2" to 1" PVC Reducing Female to Female Threaded Coupling for PVC PIPE Pressure Fittings,PVC Reducer Female Adapter for PVC PIPE Connector White (1 Inch to 1/2 Inch) :
2" x 2" PVC Female Adapter (FPT x slip) — BascomMaple.com
Get this 1/2" Sch 40 Gray Coupling FPT x FPT (430-005-45)