Charlotte Pipe 1 in. x 1-1/4 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 0900HD - The Home Depot
Amazon.com: letsFix 4 Way PVC Fittings 1 Inch (10-Pack), Furniture Grade PVC Pipe Connector PVC Elbow for All DIY PVC Structure and Frames - Fits 1" Sch 40 PVC Pipes : Industrial & Scientific
CPL1 6141625 PVC & Accessories 1" PVC Coupling
PVC Male Adapter Pipe Fitting - SCH 40 PVC Fittings 3/4 Inch MNPT x 1 Inch Slip Socket PVC Connectors - PVC Pipe Connectors for Plumbing Water Line – Male Adapter Fitting - Amazon.com
PVC Fitting - 4 Way Elbow Connector #PB
1 1/2" x 1 1/2" PVC Male Adapter (MPT x slip) — BascomMaple.com
Charlotte Pipe 1 in. x 3/4 in. PVC Coupling PVC 02100 3600 - The Home Depot
Amazon.com: 1CAMO 3-Way Tee PVC Fittings for 1 Inch PVC Pipe, SCH 40, White - 1 Inch PVC Elbow Fittings PVC Pipe Connectors - Build Heavy Duty Furniture with 1 Inch PVC
PVC Pipe Fitting Hex Nipple G1-1/4 x G1-1/4 Male Thread Adapter Connector 2pcs - White - Bed Bath & Beyond - 30486803
PVC Pipeworks 1-in Schedule 40 PVC Tee (4-Pack) in the PVC Pipe & Fittings department at Lowes.com