This 12.25" (310 mm) Width x 12" (305 mm) heavy duty Duco cast iron trench drain can be used as a ramp drain in loading or parking areas where a wide continuous trench drain is required to handle moderate traffic loads and can serve as a reservoir for large water runoff. It can also be used individually as an area drain. It is furnished with a cast iron flanged body outlet section A and flanged end plate with cast iron anti-shift loose set square hole grate.