MIFAB®’s T1800-CB1220 Catch Basin shall be 13.5” (343 mm) long with a 8” (200 mm) internal width. It is available with a 6” or 8″ outlet. A sediment bucket is included with every basin. The catch basin is made from High Strength Polymer Concrete. Each channel comes with a Galvanized edge rail or Stainless steel edge rail. The catch basins achieve Load Class A-E depending on the grate utilized. T1800-CB1220-4 is only Class F.