PVC Schedule 40 DWV. PVC-DWV (all hub). Used to bring 2 branch lines into a vertical drain pipe. No. 73515: Type: Double, Size: 1-1/2″, Schedule: Schedule 40 DWV, Material: PVC, Pkg Qty: 1 No. 73520: Type: Double, Size: 2″, Schedule: Schedule 40 DWV, Material: PVC, Pkg Qty: 1 No. 73530: Type: Double, Size: 3″, Schedule: Schedule 40 DWV, Material: PVC, Pkg Qty: 1 No. 73540: Type: Double, Size: 4″, Schedule: Schedule 40 DWV, Material: PVC, Pkg Qty: 1