436-131 - 436-131 - 1" x 3/4" PVC SCH 40 Male x Socket Adapter
NIBCO 4 in. PVC DWV Hub x MPT Male Adapter Fitting C4804HD4 - The Home Depot
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
TA4 5140112 PVC & Accessories 4" PVC Male Adapter
Charlotte Pipe 3/4 in. x 1 in. PVC Sch. 40 MPT x S Reducer Male Adapter PVC 02110 0700HD - The Home Depot