NDS Spee-D 300 6" Black Round Catch Basin Drain, 3 Outlets. The 6 in. Round Spee-D Catch Basin works stealthily underground to collect stormwater and direct it away to connected drain pipes. Use on lawns, landscaped areas, patios, walkways, and other flood-prone areas. Basin features three outlets and connects to 3 in. & 4 in. single-wall corrugated, sewer and drain, and triple-wall pipes, and 4 in. Sch. 40 pipe. Basin is made of high-impact polystyrene (HIPS) treated with UV inhibitors. Easy access to the sump area makes it a breeze to clean. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.