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 Insert Adapter - BARB x SPIG
Charlotte Pipe 3/4-in x 1/2-in Schedule 40 PVC Reducing Female Adapter in the PVC Pipe & Fittings department at Lowes.com