Universal adapters will connect to corrugated, sewer and drain, and Sch.40 pipe in sizes ranging from 3" in. to 12" in. Fits 3" in., and 4" in., corrugated pipe, sewer and drain pipe, SCH. 40 pipe and triple wall pipe. Basin adapters are specifically designed to connect NDS catch basins to multiple sized piping intended for the evacuation of drainage water.