LASCO 3/4-in Schedule 40 PVC Adapter in the PVC Pipe & Fittings department at Lowes.com
3/4" Schedule 80 PVC Coupling Threaded, 830-007
PVC Coupling, FNPT x FNPT, 3/4" x 1/2" Pipe Size - 1 Each: Lawn And Garden Sprinklers: Amazon.com: Industrial & Scientific
Charlotte Pipe 3/4-in Schedule 40 PVC Coupling (10-Pack) in the PVC Pipe & Fittings department at Lowes.com
3/4 in x 3/4 in Fitting Pipe Size, Schedule 40, Coupling - 22FJ52|430007 - Grainger
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 Schedule 40 FPT x FPT Threaded Coupling, 3/4" x 3/4"