Brand GmbH & Co. KG Burette, SILBERBRAND, B, straight stopcock, 50 : 0.1, ml, Boro 3.3, PTFE key, 2 pc/PAK

Borosilicate glass 3.3. 25 ml: Error limits according to class B, DIN ISO 385. 50 ml: DIN EN ISO 385, Class B. Interchangeable keys. Calibrated to deliver (TD, Ex).