VPC 3 in. PVC DWV Hub x Hub P-Trap

3 in. PVC DWV Hub x Hub P-Trap. DWV is used for non pressurized sanitary system Drain, Waste, and Vent. The sanitary drainage and vent piping are installed to remove waste water and water-borne wastes from the plumbing fixtures and appliances. DWV also provides a circulation of air within the drainage piping.