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product description
Wiretrol II positive displacement micropipettes combine a disposable, precision bore, calibrated micropipette with a re-usable, stainless steel plunger and fingertip handle. The calibrated micropipettes have dual graduations and are supplied with two plungers, one standard length for complete filling of the bore and a scond shorter plunger for non-contact delivery of the sample to prevent contamination. Wiretrol II are suitable for usse with both high and low viscosity liquids.