Used 1230 gallon 304 Stainless Steel pressure vessel. Manufactured by Whiting Metals. Rated 100PSI/FV @ 250F. (4) Leg mounted. Dish top and bottom. 96" T/T x 60" OD. Serial #F-2412-4. National Board #343. Built 1978. Past Use Hydrozine Hydrate. (6) Available.