Amber borosilicate glass 5.4, class B.

• Calibrated to deliver 'TD, Ex'
• Short marks at major graduations, for 25 ml reduced distance between subdivision marks
• Automatic zeroing, intermediate stopcock for recirculating residual liquid

25 ml: Error limits according to class B, DIN EN ISO 385
50 ml: DIN EN ISO 385, class B

*Total height includes height of reservoir bottle.