Used 290 gallon T316L stainless steel reactor/fermenter, manufactured by Precision Stainless. Electropolished Internal rated 40 psi FV @300F. T304 Stainless Steel Jacket rated 90 psi @300F. 32" dia X 76" straight side. Dished top and bottom heads. Top 20" manway. 2"Center bottom outlet. Off center bottom entering agitation. National Board #8449. Serial #991889-2. Built 2000.