Available in six volume capacities: 1.0mL, 2.0mL, 5.0mL, 10.0mL, 25.0mL and 50mL Made of premium quality polystyrene (GPPS) in class 100,000 clean room workshops Novel aspiration area design can fit most of the pipettors on the market Used for accurate measure and/or transfer of aqueous liquid and solutions Widely used in the field of cell culture, bacteriology, clinical research, etc. Graduations are calibrated to within ± 2.0% Smooth and clean without drawing lines Different colors (color-coded), easy to distinguish minimizing errors Maximally reduces the liquid adhesion to the pipette inner wall, improved transfer accuracy Excellent double-side graduation design ideally suited for transferring entire volume or a volume by subtraction Clear and simple graduation, positive and negative ones All serological pipettes are assembled with high quality filter plugs Stringent integrity test on every pipette Sterilized by gamma irradiation Non-pyrogenic DNase/RNase-free