Used 875 Gallon 316 Stainless Steel Reactor. Mfr Precision Stainless Inc. Internal Rated 50 PSI @300F. Dimple jacket rated 100PSI@300F. Dish Top and bottom. Frac HP offset Lightnin agitator. 18" Top manway. Serial #9820-1. National Board #3106. Built 1990.