The 2 in. PVC DWV P-Trap features a hub x hub connection. The P-Trap provides a water seal so that wastewater will automatically be trapped in the arc of the configuration, thereby preventing unwanted gases from entering the household environment. The PVC DWV P-Trap is backed by a 5-year limited warranty.The PVC DWV P-Trap is used in residential and commercial drain, waste and vent systemsMaximum service temperature of 140°FASTM D2665 and D3311NSF/ANSI Standard 14UL Listed 94V-0NSF U.P. Certified