Charlotte Pipe 3/4 in. x 1/2 in. PVC Schedule 40 Degree S x S Reducer Coupling PVC 02100 3400HD - The Home Depot
2 1/2 in x 2 1/2 in Fitting Pipe Size, Schedule 40, Coupling - 22FJ49|429025 - Grainger
Everflow 1-1/2 inch Flexible Pvc Tee Coupling with Stainless Steel Clamps | eBay
2" x 1 1/2" Schedule 80 PVC Coupling Socket, 829-251
Charlotte Pipe 1/2-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
Formufit 1/2 in. Furniture Grade PVC Sch. 40 Internal Coupling in White (10-Pack) F012ICO-WH-10 - The Home Depot
Lasco 1/2 inch Coupling - FPT x FPT - Par West Turf
1-1/2 inch Slip x Slip Coupling PVC Schedule 40 Pressure Fittings - FaucetDepot.com
1/2 inch Clear PVC Coupling 429-005L
Amazon.com: FangKingNo 10pcs 1/2 Inch White 2-Way PVC Male Adapter Pipe Fittings (Socket x Male Pipe Thread) Coupling with 1/2-Inch Male Thread Schedule 40-10 Pack (0.5 Inch) : Industrial & Scientific
2-1/2 inch x 2 inch PVC Schedule 40 Reducer Coupling - Amazon.com
20 Pack 1/2" PVC Pipe Coupling Adapter Pipe Fitting Connector (Socket x Socket), Furniture Build Grade SCH40 1/2 Inch PVC Pipe Slip Socket Connectors for Home or Industrial Use, White - Amazon.com