Transfer Pipette 3.5ml Narrow SARSTEDT CAT#86.1173.300 Transfer Pipette 3.5ml Narrow (Encompass) Polyethylene. 156 mm Length. 3.5 mL Bulb volume. 30-45ul Drop Size. 1:0.25 ml type graduations. Versatile application when transferring liquid in laboratories. No risk of injury or infection from broken glass. Single-use, no carry over or cross contamination. Practical graduations for sample measurement and trasnfer. Can be heat-sealed for sample storage and transport.