VWR Standard Dry Block Heaters 230V 1 Block Capacity. Anywhere a water bath needs to be at a consistent temperature these heaters can be used. Whether the application is for a small scale manufacturing run to larger clinical diagnostic procedures production runs to control temperature requirements of vaccines and therapeutics or the stable storage of culture media the Dry Block Heater 230V can be used. Dry block heaters can be used for maintaining a water bath at a given temperature or used to maintain a controlled environment in a laboratory. Package Contents: VWR Standard Dry Block Heaters 230V VWR 75838-268: Standard Dry Block Heaters 230V 1 Block Capacity