Globe Glass serological pipettes measure and dispense specific volumes of liquid and are calibrated to ASTM E1044 standards. Globe Glass reusable serological pipettes are calibrated TD “To Deliver” and must be blown out to deliver the full capacity. Colored bands simplify volume identifications and amber enameled graduations are bold and easy to read. Globe Glass serological pipets are available in sizes 0.1mL to 25mL and in Class A or Class B calibration tolerance options. Class A serological pipets include a batch calibration report. • Meet ASTM E1044 Style I specifications • Made of ASTM E438, Type I, Class B, 5.1 borosilicate glass • GlassGuard packaging system protects against transit damage • Calibrated TD – “To Deliver” • Class A calibration tolerance for highest accuracy and the most critical laboratory work OR Class B calibration tolerance for general laboratory work • High resistance to chemicals • Reusable and autoclavable • Color coded for simple volume identification