Industrial Cleaning Unit Cobehn Inc. Removed From scientific laboratory . We have checked it only for power supply, it’s light up. . No manual, so we have no idea how it works. Below some information about the company. Cobehn offers one of the most cost-efficient approaches to critical cleaning and emissions control. Its modular systems allow the use of virtually any solvent which, when combined with the Cobehn stainless steel glove box and fume containment equipment, provides the answer for today’s environmental and work safety issues.