With ground-in glass stopper and stopper.

Graduated 60-500ml.

Made of borosilicate glass.

Accuracy ± 5% at full capacity.

our company specializes in the manufacture of teaching models and instruments for biology, chemistry, physics, geography and physiology education. With the guidance of the Educational Equipment Research Institute under the State Education Ministry, we are a major supplier in both the Chinese and international education fields

Dropping Funnel