Contamination-free pipetting with the Eppendorf® Positive Displacement Pipette: an adjustable pipette for the volume ranges 1 ¬µl-20 ¬µl and 1 box of 96 Positive Displacement Tips. It functions according to the positive-displacement principle in conjunction with the special Positive Displacement Tip. The formation of aerosols, which is a common cause of contamination (e.g. during amplification of nucleic acids), is thus completely eliminated. One-handed tip attachment and ejection. Lateral volume locking. Ergonomic design is maintenance-free. UV-resistant and autoclavable.