Used 2000 gallon 316L stainless steel vertical pressure vessel, Mfg. By Knights Piping Inc. Rated for 50 psi & FV @ 500 Deg F (-58 Deg F @ 50 psi & FV). Dimensions: 80" O.D. x 84" T/T, dished heads mounted on legs. Serial # KPI-68, National Board #25, Year Built: 1990. Previous Service: Receiver Filtrate, Estimated Weight 6,240#