EarthOx Sterile Serological Pipettes 25ml LONG (Length: 338.9mm)(Individually packaged) (20 Pipettes) Length: (LONG) 338.9mm Graduations are calibrated for accurate dispensing to within 2% Bidirectional graduations on the pipets provide added applicability. Negative graduation allows additional working volume supplied with a filter plug Sterile, Non-pyrogenic