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The Pos-D™ positive displacement pipette provides problem-free pipetting of problem liquids and is specially suited for liquids with high densities, viscosities or vapor pressures. Given the disposable capillaries and pistons, positive displacement absolutely eliminates cross-contamination from aerosols, samples or pipette.
A disposable piston, which moves within a plastic capillary, makes direct contact with the liquid. The positive wiping action of the piston against the capillary wall assures complete dispensing without droplets. The pre-assembled capillary tips are easy to use and also fit Gilson Microman®.