NDS 900-4 9" Black Square Catch Basin Drain with 4 Openings drains the excess surface water away and directs it to drain pipe. It helps prevent soggy spots on your lawn, mucky messes under downspouts, and water damage to your home’s foundation. Easy to install, the 9 in. Square Catch Basin is ideal for lawns, landscaped areas, under downspouts, patios, walkways, and even areas where runoff from neighboring property tends to pool up on your property. Basin has four openings which connect to 3 in., 4 in., and 6 in. drain pipes with applicable outlet adapter (sold separately). Made of polypropylene (PP) treated with UV inhibitors. Built-in sump is easy to access and clean. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.