Southern Labware offers a range of glass pipettes to meet the needs of any laboratory. Our Class A volumetric pipets are made from borosilicate glass in compliance with ASTM E-969. They are available individually serialized and certified or batch certified and come with a certificate of calibration from a NABL accredited calibration laboratory. All Class A pipettes are calibrated \'to deliver\' (TD, Ex.) and comply with USP standards. We also offer Class A serological and Mohr pipets that meet the same stringent USP standards and are supplied with certificates of calibration.