NDS 1200 12" Black Square Catch Basin Drain with 2 Openings is just what you need to drain flood-prone areas such as lawns, landscaped areas, under downspouts, patios, and walkways. The 12 in. stormwater catch basin drain has 2 openings which connect to 3 in., 4 in., 6 in., and 8 in. drain pipes with applicable outlet adapter, and opening can be sealed with an outlet plug (outlet adapters and plug sold separately). Basin is made of polypropylene (PP) treated with UV inhibitors. Built-in sump area is easy to access and clean. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects, or we’ll replace it.