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, under-drive agitator. Built new 1990. Serial number 469. Includes some piping, controls, corrective agent pump, membrane filter, temp. sensor and gauges. Biostat ED Controller. (Qty - 2 available)