Posit. displacement pipettes MICROMAN® E, model M 250E, 1 unit(s)Posit. displacement pipettes MICROMAN E, model M 250E Positive displacement system without air cushion between sample and piston prevents contamination as well as aerosol formation and produces precise and reproducible pipetting results. Caps fit straight out of the box, pistons and capillaries lock into place automatically (QuickSnap system). For problematic media, e. g.: Viscous media, e. g. oils, glycerol, gel loading buffer Media with a high