BestLAB's disposable serological pipettes are made from polystyrene, with filter to avoid contamination. Accurate +/- 3% at full volume, reverse graduations with negative graduations for extra capacity. Pipettes and packaging are color-coded for identifying volume conveniently. Individually packed pipettes in either for high sterility assurance.
They are all sterile, non-cytotoxic, DNase and RNase free.