Charlotte Pipe 1 in. x 3/4 in. PVC Schedule 40 S x FPT Reducer Female Adapter PVC 02101 3800HD - The Home Depot
1" x 3/4" Schedule 40 PVC Reducing Male Adapter, slip x MPT 436-131
1-1/4" x 3/4" PVC Reducer Coupling | U.S. Plastic Corp.
Buy 1" x 3/4" Schedule 40 Reducing Coupling (S x S) 429-131
FangKingNo 10pcs 1" male thread to 3/4" female thread Reducer Bushing for PVC Pipe Fittings Male to Female Threaded Adaptor for connecting pipe White (1"×3/4", pack of 10) - Amazon.com
Schedule 40 PVC Reducers 4" x 3-1/2"
1 1/2" x 3/4" PVC Schedule 40 Reducer Coupling Socket x Socket, 429-210
829-422 - 4" x 3" Sch 80 PVC Reducing Coupling | Elevate Extra Costs!
3/4" x 1/4" Sch 40 PVC Reducer (T.T.) Bushing Mipt x Fipt 439-098