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Heidolph 036090090 Series RZR 2051 Control Electronic Overhead Stirrer for Standard Application, Digital Speed Indicator, 72mm W x 206mm H x 176mm D, 115V: Science Lab Stirrers: Amazon.com: Industrial & Scientific
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Heidolph 036090070 Series RZR 2041 Mechanical Overhead Stirrer for High Viscosity, Digital Speed Indicator, 82mm W x 211mm H x 176mm D, 115V: Science Lab Stirrers: Amazon.com: Industrial & Scientific
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