Excellent for serological, tissue culture work, and mass testing, ideal for cell culture and general laboratory applications. Manufactured from polystyrene compliant with USP Class VI. Calibrated to deliver (TD) to +/-2%. Clear easy to read bi-directional graduations give the choice between ascending and descending scale, with negative graduations for extra capacity. Plugged and supplied sterile by gamma irradiation. Colour coded to industry standards. Supplied individually wrapped in paper plastic peel packaging.