Advanced Drainage Systems is the world's largest producer of corrugated HDPE pipe and related drainage products. ADS serves the storm and waste water industry through a global network of 56 domestic and international manufacturing plants and 27 distribution centers. In addition to its flagship N-12 pipe, the company offers a complete line of fittings and other accessories including, Nyloplast drainage structures, and various geotextiles. This 27-1/2 in. x 13 in. x 13 in. Polyethylene Distribution Box is made from high-density polyethylene that's designed to resist corrosion and abrasion for long-lasting use. Color: Black.