NDS 2410 Black Outlet Adapter with Reducer Ring for 24" Catch Basin Drain & 3"-12" Pipes fits the 24 in. catch basin drain and connects the catch basin opening to 10 in. & 12 in. sewer and drain pipes, dual-wall corrugated pipes, and 12 in. single-wall corrugated pipe. Use with outlet adapter (1888) to connect to 8 in. drain pipe. Use with preinserted reducer ring and designated outlet adapter to connect to 3–6 in. drain pipes: outlet adapter (1266) to connect to 6 in. drain pipe, outlet adapter (1242, 1243, or 1245) to connect to 3 in. & 4 in. drain pipes. Seal opening with outlet plug (1206). Outlet adapter made of high-density polyethylene (HDPE); reducer ring made of high-impact polystyrene (HIPS) treated with UV inhibitors. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.