Used B Braun Model ES10 Biostat fermenter. Capacity 15 liters. Internal pressure rating -1 / +3 bar @ 150 degrees C. Jacket pressure rating -1 / +4 bar @ 150 degrees C. Jacket capacity 2.5 liters. 75 kw motor, underdrive agitator. Built new 1990. Serial number 469. Includes some piping, controls, corrective agent pump, membrane filter, temp. sensor and gauges. Biostat ED Controller.