Offered a robust maintenance free Variomag mono Bioblock magnetic stirrer. Main feature of this magnetic stirrer is its inert character , the case is entirely made of maintenance-free plastic . This makes the stirrer easy to clean and suitable for usage in the presence of high humidity and/or corrosive vapors . This type of magnetic stirrer is widely used in chemical, microbiological , medical and biotech laboratories. The maximum volume that can be stirred lies between 1 and 3000 ml. The magnetic stirrer as been tested and cleaned in our laboratory.