Amazon.com: VVW&LIU 1/2' 3/4' 1' Female/Male Thread to Inner Diameter 20/25/32mm PVC Connector Water Pipe Fitting PVC Hose Repair Adapter Thread,White,1I2 Inch Male,20mm : Industrial & Scientific
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
446-074 - 446-074 - 1/2" x 3/4" PVC Sch. 40 Male x Female Adapter