NFE make professional 10bbl fermenters/fermentation tanks/unitanks/cellar tanks,with glycol cooling jacekt, insulation double wall, pressure relief valve PVRV 2bar,sample valves, pressure gauge, thermowell PT100, butterfly valves with triclamp/DN thread, racking arm, CIP arm with 360 degree spray ball, pickling passivation treated,roughness is less than 0.4um, 60 degree cone,etc.NFE can make all volume fermenters from 3bbl to 330bbl.