Amazon.com: 2Pcs 1-1/4" PVC Union Coupling Pipe Fitting (Socket x Socket) 1.25Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White : Industrial & Scientific
1-1/4" Tube O.D. x 1" NPT Male Connector Fitting – Alabama Industrial Products
Amazon.com: PVC Male Adapter Pipe Fitting - SCH 40 PVC Fittings 1-1/4 Inch Socket x 1-1/4 MNPT PVC Connectors - PVC Pipe Connectors for Plumbing Water Line Male Adapter Fitting : Automotive
Charlotte Pipe 3/4 in. x 1 in. PVC Schedule 40 S x FPT Reducer Female Adapter PVC021013600HD - The Home Depot
1-1/4" 4-Way PVC Furniture Fitting - Side Outlet Tee For Use with 1-1/4" PVC Pipe