NDS® Catch Basin Universal Locking Outlet, For Use With: 3 in and 4 in Corrugated Pipe, 3 in and 4 in Sewer and Drain Pipe, 4 in SCH 40 Pipe and 3 in and 4 in Triple Wall Pipe, 9 in, 12 in, 18 in and 24 in Catch Basin Series and #930, #1230, #1830 and #2410 Adapters, 24 in Catch Basin also requires #2410 Adapter, Styrene, Black, 2-1/4 in H