Genova 70140 SCH 40 PVC-DWV Couplings, Size: 4" Go to amazon.com Related posts Top 18 best pvc coupling for 2022 FeatureThis item is Sch. 40 PVC-DWV Couplings Size: 4"Used For Rough Plumbing,Pipe And Conduit AccessoriesThe product is manufactured in United States DescriptionThis item is Sch. 40 PVC-DWV Couplings Size: 4" . Used For Rough Plumbing,Pipe And Conduit Accessories. The product is manufactured in United States.