Formufit 1-1/4 in. Furniture Grade PVC 5-Way Cross in White (4-Pack) F1145WC-WH-4 - The Home Depot
Amazon.com: FangKingNo5pcs 1.25Inch 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 1/4") :