The PVC DWV swivel drum trap features a hub x hub x cleanout with plug connection to provide a means for clearing potential clogs. The drum trap also provides a water seal so that wastewater will automatically be trapped in the configuration, thereby preventing unwanted gases from entering the household environment. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. Polyvinyl chloride (PVC) is the most frequently specified of all thermoplastic materials because of its light weight, durability, and cost-effectiveness. PVC DWV is easy to install