National Diversified Sales Spee-D 101ATBLKIT 6" Black Round Catch Basin Drain Kit with Black Plastic Atrium Grate lives up to its name by quickly draining moderate flows of water away before it can linger and cause damage to property. Kit includes a 1-outlet Spee-D catch basin drain and atrium drain grate treated with UV inhibitors. Basin outlet with locking flex tabs connects to 3 in. & 4 in. single-wall corrugated, sewer and drain, and triple-wall pipes, and 4 in. Sch. 40 pipe. High-impact polystyrene (HIPS) basin has easy access to sump area for cleaning. High-density polyethylene (HDPE) drain grate, or drain cover, has a raised dome to block mulch, leaves, and other debris at its base while water flows through the top. Use the one-outlet catch basin alone or to start a series of connected basins. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.