Brand GmbH & Co. KG Mixing cylinder SILBERBRAND-ETERNA, Type high, Class B, 500 ml : 5 ml, Boro 3.3, NS 34/35 PE stopper, with hexagonal base, short

Boro 3.3. DIN EN ISO 4788. Calibrated to contain (TC, In). With PP stopper and hexagonal base. Height without stopper.