Vortex Mixer Maxi Mix® I

Able to mix the contents of four or more test tubes simultaneously

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

Mixing action is varied merely by changing the pressure of the test tube, centrifuge tube, or small flask against the foam rubber top