The Fisher Scientific Vortex Mixer model 02215365 is a reliable laboratory instrument ideal for mixing small sample tubes efficiently. Featuring a robust design and simple analog speed control, it offers variable speed adjustment from 1 to 10 for tailored mixing intensity. The unit includes an auto mode for continuous operation or momentary mixing via manual activation. Manufactured in the USA, the vortex mixer ensures high build quality and durability for everyday use. Suitable for various laboratory applications, it handles up to 150 watts of power operation at 120 volts. The compact footprint allows easy placement on benchtops without consuming excessive space. This listing includes two units, providing versatility for simultaneous sample processing or backup. Its proven track record and brand reputation make it a dependable choice for routine vortexing tasks.