18″ wide x 24″ long precast catch basin. Typically 24″ deep. (contact us for pricing and availability on deeper depths). Frame options are heavy duty black powder painted steel, heavy duty galvanized steel, heavy duty stainless steel, and extreme duty galvanized steel. Comes complete with installation brackets, plywood covers, and trench connection collars where applicable. Accepts any of the 20″ wide trench drain grates.