Amazon.com: FangKingNo 10pcs 1" White PVC Pipe Coupling Adapter Pipe Fittings Slip (Socket x Socket) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use (1 Pack of 10pcs) (1
2" ERA Sch 80 PVC Straight Coupling - Socket x Socket
Spears - Sch40 PVC Deep Socket Coupling - Slip X Slip