Pyrex® melting point thieledennis tube
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The Thiele-Dennis tube is a modified Thiele tube that improves and increases the rate of circulation. The unique configuration of the Thiele-Dennis tube is designed to create continuous flow when heated, so no stirring or shaking is required. Instead, convection currents created by the heat do the stirring for you.
Tube diameter: 25 mm
Tube length: 165 mm.