Homewerks Worldwide 2-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
Amazon.com: FangKingNo5pcs 1.5Inch White PVC Pipe Coupling Adapter Pipe Fittings couplers (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use ( Pack of 5) (1 1/2") :
Zoeller 2-in PVC Coupling in the CPVC Pipe & Fittings department at Lowes.com
Homewerks Worldwide 1/2-in Schedule 40 PVC Compression Coupling in the PVC Pipe & Fittings department at Lowes.com