The 32" Channel Drain Flat Grate Suction Outlet Cover and ABS Three-Port Manufactured Sump for Vinyl is certified, listed, and labeled in conformance with APSP/ANSI/ICC-16 2017 and NSF/ANSI/CAN 50 standards. The sump includes three ports: bottom 2-1/2" OD, 2" ID S/S; inside 2" threaded FPT; and comes with two 2" threaded plugs. Manufactured from UV-resistant engineered polymers and comes with #316 stainless steel screws. Requires transitional glue when attaching to PVC pipe. Online resources are available. Replace the drain cover and gasket every five years from the date of installation. Clamping ring and sump should be replaced if damaged.