Cresline PVC Drain, Waste, and Vent (DWV) Pipe is produced using PVC 1120 polyvinyl chloride material to meet or exceed ASTM D2665 & D1785 standards. PVC DWV is dual-marked for Pressure and Drain, Waste and Vent applications, and is NSF-approved for drain, waste and vent use and NSF-PW. PVC DWV pipe is white in color and is available in solvent weld and plain end.