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
Homewerks Schedule 40 3/4 in. Slip X 3/4 in. D Slip PVC Expansion Coupling - Ace Hardware