The PointChem Bio DC-SK-PS10/20 Multi-functional Platform Shaker is well-equipped with powerful brushless DC motors and high-end components for superior performance. Leading features such as circulation and user programmable interface are necessary to provide unprecedented convenience in the use of the equipment. Supports mixing liquids in bottles, flasks, test tubes and bowls using a variety of attachments. Optional non-slip pads can be used to secure flasks and beakers. Programming and sub-programming functions are available to meet a variety of mixing needs.