Fison Multi Tube Vortex Mixer mixes multiple centrifuge tubes simultaneously at 1,500–3,000 rpm, with programmable operation from 1 minute to 8 hours. Adjustable speed settings provide control over vortex mixing, while the programmable timer function sets the required mixing duration. Manufactured for liquid sample mixing and preparation in research, clinical, and pharmaceutical laboratories using Multi Tube Vortex Mixer equipment.