NIBCO | sku: 93203 Nibco 3 In. Pvc Dwv H X H Solvent Weld P-Trap The NIBCO 3 in. PVC DWV Hub x Hub P-Trap. DWV is used for non pressurized sanitary system Drain, Waste, and Vent. There are 2 types of DWV plastic: ABS (black plastic) and PVC (white plastic). The sanitary drainage and vent piping are installed to remove... Log in for pricing