Vol. flask class A w/ plastic stopper, individual certificate, 20 ml, mouth size 10/19, Premium Line

Made of top quality 3.3 borosilicate glass. With plastic stopper. Designed according to ISO 1042, DIN 12664 and USP standards. Calibrated to contain (TC, In). USP standards are more accurate than ISO 1042. Each flask has its own individual serial number printed on the flask. An individual calibration certificate showing the real volume of this particular flask is delivered

sales unit reference: VFC3-020-001, capacity: 20 ml, accuracy (ml): ± 0,030, stopper: 10/19, pcs per sales unit: 1