Thermo Fisher Scientific, S.L. - Pipettes, burettes and graduated cylinders

Pyrex

Class B with PTFE key burettes: scale graduated in white enamel

Picture of Class B with PTFE key burettes

The class B with PTFE key burettes meet the following characteristics: - complying with ISO 385 - equipped with replaceable teflon keys that enable use nonfat - graduated scale in white enamel that allows reading when using dark solutions - made of borosilicate glass for increased chemical resistance.