˙Made of borosilicate glass
˙Accuracy AS level, DIN EN ISO 385 specification, DE-M mark
˙The scale form Ex, the scale marked amount is equal to the pouring amount, and the batch certificate can be downloaded separately
˙With a glass stopcock, the stopcock switch is close to the tip of the tube
˙The blue line is engraved on the back, which is clear and easy to read