Serological pipettes are made of high-purity materials, with clear and accurate scales, which are convenient and quick to read the pipetting volume. They are widely used in cell culture, bacterial culture, clinical, scientific research and other biological fifields. Compatible with most pipettes on the market. There are 6 types of serological pipettes: 1ml, 2ml, 5ml, 10ml, 25ml, 50ml. The pipette is independently packaged in peel pack, which is convenient for using.     The scale is clear and accurate, easy to identify the pipetting volume. Different color ring marks, easy to identify the pipette volume. Bidirectional scale line and negative scale line design, providing customers with a variety of quantitative pipetting operations. Individually peel pack ensures safety and sterility. Ultra-pure polystyrene material, in line with USP VI standard perfectly adapt to mainstream pipettes on the market. Sterility Assurance Level SAL 10-6.