Conformity certified bottle top dispenser with precisely grinded glass piston for unproblematic and organic liquids which do not affect polypropylene. Discharge valves and valve seats consisting of high-purity aluminium oxide ceramic. Declaration of conformity acc. to DIN 12600. With digital volume setting on various steps. Autoclavable at 121°C. Complete with thread A 32 mm. 3 thread adapters (A 28 / S 40 and A 45). 1 screw-coupled suction tube. 1 discharge tube unit complete. 1 spanner valve. With individual number and weighing protocol.