The push-button on/off switch is operated by a light touch of finger or test tube. Soft 4-inch-diameter top provides maximum mixing surface, protects against breakage and prevents damage from spills. Supplied with 3-wire cord and plug.
Able to mix the contents of four or more test tubes simultaneously. Especially valuable and time-saving when agitating the contents of many tubes. Mixing action is varied merely by changing the pressure of the test tube, centrifuge tube, or small flask against the foam rubber top.
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