Red, made of natural rubber with high elasticity. This special pipetting ball is very easy to use. It has only two operating points. Evacuation takes place via an automatic valve. For pipetting toxic, radioactive, bacterial, stinking or acidic substances. Thanks to precise pressure valves, the smallest quantities of liquid can also be pipetted with intermediate pauses. The operation is simple and is done with one hand. The operating instructions are printed on the packaging. Suitable for pipettes from 5 to 100 ml.
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