5Pcs/Lot PVC 1/2'' Female Thread Coupling To DN15(20mm) Socket Connector Good Quality Irrigation Pipe Fittings Female Coupling - AliExpress
Amazon.com: FangKingNo 2pcs 2Inch White 2-Way PVC Male Adapter Pipe Fittings (Slip to Male Thread) Coupling with 2-Inch Male Hose Thread Schedule 40 -2 Pack (2") : Industrial & Scientific
Reducing Adapter G2'' Male x Rp2 1/2'' Female PVC-U 16bar (224.8psi) EN 1452-3 | Tameson.com
2" x 2" PVC Female Adapter (FPT x slip) — BascomMaple.com