Versa-Shake Reciprocating Digital Shaker is a laboratory shaker with a reciprocating stroke of 1 inch. It is designed to shake clear plastic culture bags with working volumes up to 10 liters, as well as function as a general purpose laboratory reciprocating shaker. The unit incorporates a digital speed control and a maintenance-free brushless DC motor. Speed is controlled with a rotary knob with a locking ring located on the front of the unit and ranges from approximately 20 to 240 oscillations/minute. Units are powered by standard 24Vdc in-line power supply. Trays with liners sold separately