Collect runoff from lawns, landscaped areas, patios, walkways, and other flood-prone areas with the National Diversified Sales Spee-D 201 6" Black Round Catch Basin Drain, 2 Outlets. Basin outlets with locking flex tabs connect to 3" & 4" single-wall corrugated, sewer and drain, and triple-wall pipes, and 4" Sch. 40 pipe. The catch basin can be used as part of a series of connected catch basins positioned along the drainage line. 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.