Reducing Coupling: Schedule DWV, 4 in X 3 in Fitting Pipe Size, Female Socket X Female Socket, White Model: P102-422

Reducing Coupling: Schedule 40, 4 in X 3 in Fitting Pipe Size, Female Socket X Female Socket, White Model: 1WKJ5

4" X 3" Schedule 40 PVC Eccentric Reducer Coupling Soc 429-422FE (Fabricated Fitting) By Spears

Reducing Adapter: Schedule 40, 4 in X 3 in Fitting Pipe Size, Female Socket X Male Spigot, White Model: 1WKJ9

Reducing Adapter: Schedule 40, 4 in X 3 in Fitting Pipe Size, Female Socket X Female Socket, White Model: 1WKK2

Reducing Coupling: 3 in X 4 in Fitting Pipe Size, Schedule 40, Female Socket X Female Socket, Black Model: 1WJE9

4" X 3" Clear PVC Reducer Bushing 437-422L By Spears

Spears 829-422 4" X 3" PVC Schedule 80 Reducer Coupling | Supplyhouse.Com

Lswteiz 4"X 3" PVC DWV Reducing Bush Adapter Pipe Fitting SCH40 PVC Reducer Bushing (Socket X Socket) PVC Pipe Reducing Bushing Fitting For Home Sewer

PVC Reducing Coupling, Socket X Socket, 4 in X 3 in Pipe Size

Worksmart | Value Collection 4 X 3" PVC Plastic Pipe Reducer Bushing - Schedule 80, MIPT X FIPT End Connections | Part 839-422

4" X 3" Schedule 40 PVC Reducing Cross Soc 420-422 By Spears

PVC Reducing Coupling, Socket X Socket, 4 in X 3 in Pipe Size

Spears P102-422 4" X 3" PVC DWV Reducer Coupling | Supplyhouse.Com

PVC Reducing Bushing, Spigot X Socket, 4 in X 3 in Pipe Size

Pipe Coupling: Schedule 40, PVC, 4 in X 3 in Size, Socket X Socket, Female X Female, White, 140F Model: 429422

4" X 3" Schedule 80 Reducing Coupling (S X S) 9829-422 By Spears

Flush Bushing: Schedule 40, 4 in X 3 in Fitting Pipe Size, Male Spigot X Female Socket, White Model: 1WKF6

Bluefin PVAC400-300-NSF 4" X 3" PVC DWV Reducer Coupling (NSF) | Supplyhouse.Com

4" X 3" Schedule 80 Reducer Bushing 837-422 By Spears

4 X 3 PVC DWV Reducer Coupling (Hubxhub)

4" X 3" Schedule 80 PVC Reducer Bushing Spigot X Socket, 837-422

4" X 3" Schedule 40 PVC Reducer Bushing Spigot X Socket, 437-422

4" X 3" Clear PVC Reducer Bushing Spigot X Socket, 437-422L

Reducing Adapter: 4 in X 3 in Fitting Pipe Size, Schedule 40, Female Socket X Female Socket, Black Model: 1WJF1

4" X 3" PVC Duct Reducer Coupling, 1034-RC-0403

Topaz 1483 Swedged Reducer, PVC, 4" X 3"

4" X 3" Schedule 80 Reducer Bushing 839-422 By Spears

IPEX USA LLC Pipe Reducing Bushing 4 X 3 in Spigot X Hub 040933

Pipe Coupling: Schedule 80, PVC, 4 in X 3 in Size, Socket X Socket, Female X Female, Gray, 140F Model: 829-422

4 X 3 in. Schedule-40 PVC Reducing Ring/Reducer/Busher Pipe Fitting NSF SCH40 ASTM D2466 4" Spigot X 3" Socket

PVC Reducing Wye, Socket X Socket, 4 in X 4 in X 3 in Pipe Size

4" X 3" Schedule 80 CPVC Reducer Bushing Spigot X Socket, 9837-422